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Sahih Muslim 759 a

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying:

He who observed prayer at night during Ramadan, because of faith and seeking his reward from Allah, his previous sins would be forgiven.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنِ ابْنِ شِهَابٍ، عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ مَنْ قَامَ رَمَضَانَ إِيمَانًا وَاحْتِسَابًا غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ ‏"‏ ‏.‏
Reference : Sahih Muslim 759a
In-book reference : Book 6, Hadith 207
USC-MSA web (English) reference : Book 4, Hadith 1662
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Sahih Muslim 1089 b

'Abd ar-Rahman b. Abu Bakra reported on the authority of Abu Bakra that the Apostle of Allah (may peace be upon him) had said:

The months of 'Id are not incomplete. And in the hadith narrated by Khalid (the words are):" The months, of 'Id are Ramadan and Dhu'l-Hijja."
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، قَالَ حَدَّثَنَا مُعْتَمِرُ بْنُ سُلَيْمَانَ، عَنْ إِسْحَاقَ بْنِ سُوَيْدٍ، وَخَالِدٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي بَكْرَةَ، عَنْ أَبِي بَكْرَةَ، أَنَّ نَبِيَّ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ شَهْرَا عِيدٍ لاَ يَنْقُصَانِ ‏" ‏ ‏.‏ فِي حَدِيثِ خَالِدٍ ‏"‏ شَهْرَا عِيدٍ رَمَضَانُ وَذُو الْحِجَّةِ ‏"‏ ‏.‏
Reference : Sahih Muslim 1089b
In-book reference : Book 13, Hadith 38
USC-MSA web (English) reference : Book 6, Hadith 2395
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Sahih Muslim 1111 d

This hadith has been narrated on the authority of Zuhri with the same chain of transmitters that a person broke fast in Ramadan whereupon the Messenger of Allah (may peace be upon him) commanded him to free a slave (as an atonement), and the rest of the hadith is the same as narrated by Ibn Uyaina.

وَحَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا إِسْحَاقُ بْنُ عِيسَى، أَخْبَرَنَا مَالِكٌ، عَنِ الزُّهْرِيِّ، بِهَذَا الإِسْنَادِ أَنَّ رَجُلاً، أَفْطَرَ فِي رَمَضَانَ فَأَمَرَهُ رَسُولُ اللَّهِ صلى الله عليه وسلم أَنْ يُكَفِّرَ بِعِتْقِ رَقَبَةٍ ‏.‏ ثُمَّ ذَكَرَ بِمِثْلِ حَدِيثِ ابْنِ عُيَيْنَةَ ‏.‏
Reference : Sahih Muslim 1111d
In-book reference : Book 13, Hadith 104
USC-MSA web (English) reference : Book 6, Hadith 2460
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Sahih Muslim 1116 c

Abu Sa'id al-Khudri (Allah be pleased with him) reported:

We went out on an expedition with the Messenger of Allah (may peace be upon him) during Ramadan and neither the observer of the fast was found fault with for his fasting, nor the breaker of the fast for breaking it.
حَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ الْجَهْضَمِيُّ، حَدَّثَنَا بِشْرٌ، - يَعْنِي ابْنَ مُفَضَّلٍ - عَنْ أَبِي مَسْلَمَةَ، عَنْ أَبِي نَضْرَةَ، عَنْ أَبِي سَعِيدٍ، - رضى الله عنه - قَالَ كُنَّا نُسَافِرُ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم فِي رَمَضَانَ فَمَا يُعَابُ عَلَى الصَّائِمِ صَوْمُهُ وَلاَ عَلَى الْمُفْطِرِ إِفْطَارُهُ ‏.‏
Reference : Sahih Muslim 1116c
In-book reference : Book 13, Hadith 123
USC-MSA web (English) reference : Book 6, Hadith 2479
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Sahih Muslim 1127 b

This hadith has been narrated from Jarir on the authority of A'mash with the same chain of transmitters and he said (these words with a little bit of variation from the previous hadith):

When (fasting) in Ramadan was (made) obligatory, he abandoned it (the practice of observing fast on Ashura).
وَحَدَّثَنَا زُهَيْرُ بْنُ حَرْبٍ، وَعُثْمَانُ بْنُ أَبِي شَيْبَةَ، قَالاَ حَدَّثَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، بِهَذَا الإِسْنَادِ وَقَالاَ فَلَمَّا نَزَلَ رَمَضَانُ تَرَكَهُ ‏.‏
Reference : Sahih Muslim 1127b
In-book reference : Book 13, Hadith 155
USC-MSA web (English) reference : Book 6, Hadith 2511
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Sahih Muslim 1163 a

Abu Haraira (Allah be pleased with him) reported Allah's Messenger (may peace be upon him) as saying:

The most excellent fast after Ramadan is God's month. al-Muharram, and the most excellent prayer after what is prescribed is prayer during the night.
حَدَّثَنِي قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ أَبِي بِشْرٍ، عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ، الْحِمْيَرِيِّ عَنْ أَبِي هُرَيْرَةَ، - رضى الله عنه - قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ أَفْضَلُ الصِّيَامِ بَعْدَ رَمَضَانَ شَهْرُ اللَّهِ الْمُحَرَّمُ وَأَفْضَلُ الصَّلاَةِ بَعْدَ الْفَرِيضَةِ صَلاَةُ اللَّيْلِ ‏"‏ ‏.‏
Reference : Sahih Muslim 1163a
In-book reference : Book 13, Hadith 261
USC-MSA web (English) reference : Book 6, Hadith 2611
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Sahih Muslim 984 a

Ibn Umar said that Allah's Messenger (way peace be upon him) prescribed the payment of Zakat-ul-Fitr (on breaking the fast) of Ramadan for people, for every freeman, or slave, male and female among the Muslims-one sa' of dried dates, or one sa' of barley.

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ بْنِ قَعْنَبٍ، وَقُتَيْبَةُ بْنُ سَعِيدٍ، قَالاَ حَدَّثَنَا مَالِكٌ، ح وَحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، - وَاللَّفْظُ لَهُ - قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم فَرَضَ زَكَاةَ الْفِطْرِ مِنْ رَمَضَانَ عَلَى النَّاسِ صَاعًا مِنْ تَمْرٍ أَوْ صَاعًا مِنْ شَعِيرٍ عَلَى كُلِّ حُرٍّ أَوْ عَبْدٍ ذَكَرٍ أَوْ أُنْثَى مِنَ الْمُسْلِمِينَ ‏.‏
Reference : Sahih Muslim 984a
In-book reference : Book 12, Hadith 16
USC-MSA web (English) reference : Book 5, Hadith 2149
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Sahih Muslim 984 e

Ibn Umar reported that the Messenger of Allah (may peace be upon him) prescribed Zakat-ul-Fitr of Ramadan one sa' of dates or one sa' of barley for every individual among the Muslims (whether) free man or slave, male or female, young or old.

وَحَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا ابْنُ أَبِي فُدَيْكٍ، أَخْبَرَنَا الضَّحَّاكُ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم فَرَضَ زَكَاةَ الْفِطْرِ مِنْ رَمَضَانَ عَلَى كُلِّ نَفْسٍ مِنَ الْمُسْلِمِينَ حُرٍّ أَوْ عَبْدٍ أَوْ رَجُلٍ أَوِ امْرَأَةٍ صَغِيرٍ أَوْ كَبِيرٍ صَاعًا مِنْ تَمْرٍ أَوْ صَاعًا مِنْ شَعِيرٍ ‏.‏
Reference : Sahih Muslim 984e
In-book reference : Book 12, Hadith 20
USC-MSA web (English) reference : Book 5, Hadith 2153
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Sahih Muslim 1082 a

Abu Huraira (Allah be pleased with him) reported Allah's Messenger (may peace be upon him) as saying:

Do not observe fast for a day, or two days ahead of Ramadan except a person who is in the habit of observing a particular fast; he may fast on that day.
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَأَبُو كُرَيْبٍ قَالَ أَبُو بَكْرٍ حَدَّثَنَا وَكِيعٌ، عَنْ عَلِيِّ، بْنِ مُبَارَكٍ عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، عَنْ أَبِي سَلَمَةَ، عَنْ أَبِي هُرَيْرَةَ، - رضى الله عنه - قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ لاَ تَقَدَّمُوا رَمَضَانَ بِصَوْمِ يَوْمٍ وَلاَ يَوْمَيْنِ إِلاَّ رَجُلٌ كَانَ يَصُومُ صَوْمًا فَلْيَصُمْهُ ‏" ‏ ‏.‏
Reference : Sahih Muslim 1082a
In-book reference : Book 13, Hadith 24
USC-MSA web (English) reference : Book 6, Hadith 2382
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Sahih Muslim 1109 b

'A'isha, the wife of the Apostle of Allah (may peace be upon him), said:

The dawn broke upon the Messenger of Allah (may peace be upon him) during the Ramadan in a state of junub not because of sexual dream (but on account of intercourse) and he washed himself and observed fast.
وَحَدَّثَنِي حَرْمَلَةُ بْنُ يَحْيَى، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ بْنِ الزُّبَيْرِ، وَأَبِي، بَكْرِ بْنِ عَبْدِ الرَّحْمَنِ أَنَّ عَائِشَةَ، زَوْجَ النَّبِيِّ صلى الله عليه وسلم قَالَتْ قَدْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُدْرِكُهُ الْفَجْرُ فِي رَمَضَانَ وَهُوَ جُنُبٌ مِنْ غَيْرِ حُلُمٍ فَيَغْتَسِلُ وَيَصُومُ ‏.‏
Reference : Sahih Muslim 1109b
In-book reference : Book 13, Hadith 96
USC-MSA web (English) reference : Book 6, Hadith 2452
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Sahih al-Bukhari 8

Narrated Ibn 'Umar:

Allah's Apostle said: Islam is based on (the following) five (principles):

1. To testify that none has the right to be worshipped but Allah and Muhammad is Allah's Apostle.

2. To offer the (compulsory congregational) prayers dutifully and perfectly.

3. To pay Zakat (i.e. obligatory charity) .

4. To perform Hajj. (i.e. Pilgrimage to Mecca)

5. To observe fast during the month of Ramadan.

حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُوسَى، قَالَ أَخْبَرَنَا حَنْظَلَةُ بْنُ أَبِي سُفْيَانَ، عَنْ عِكْرِمَةَ بْنِ خَالِدٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ بُنِيَ الإِسْلاَمُ عَلَى خَمْسٍ شَهَادَةِ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ وَأَنَّ مُحَمَّدًا رَسُولُ اللَّهِ، وَإِقَامِ الصَّلاَةِ، وَإِيتَاءِ الزَّكَاةِ، وَالْحَجِّ، وَصَوْمِ رَمَضَانَ ‏"‏‏.‏
Reference : Sahih al-Bukhari 8
In-book reference : Book 2, Hadith 1
USC-MSA web (English) reference : Vol. 1, Book 2, Hadith 8
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Sahih Muslim 1080 a

Ibn Umar (Allah be pleased with both of them) reported Allah's Messenger (may peace be upon him) as saying in connection with Ramadan:

Do not fast till you see the new moon, and do not break fast till you see it; but if the weather is cloudy calculate about it.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، - رضى الله عنهما - عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ ذَكَرَ رَمَضَانَ فَقَالَ ‏"‏ لاَ تَصُومُوا حَتَّى تَرَوُا الْهِلاَلَ وَلاَ تُفْطِرُوا حَتَّى تَرَوْهُ فَإِنْ أُغْمِيَ عَلَيْكُمْ فَاقْدِرُوا لَهُ ‏"‏ ‏.‏
Reference : Sahih Muslim 1080a
In-book reference : Book 13, Hadith 4
USC-MSA web (English) reference : Book 6, Hadith 2363
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Sahih Muslim 1081 a

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying:

Whenever you sight the new moon (of the month of Ramadan) observe fast. and when you sight it (the new moon of Shawwal) break it, and if the sky is cloudy for you, then observe fast for thirty days.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، أَخْبَرَنَا إِبْرَاهِيمُ بْنُ سَعْدٍ، عَنِ ابْنِ شِهَابٍ، عَنْ سَعِيدِ بْنِ، الْمُسَيَّبِ عَنْ أَبِي هُرَيْرَةَ، - رضى الله عنه - قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ إِذَا رَأَيْتُمُ الْهِلاَلَ فَصُومُوا وَإِذَا رَأَيْتُمُوهُ فَأَفْطِرُوا فَإِنْ غُمَّ عَلَيْكُمْ فَصُومُوا ثَلاَثِينَ يَوْمًا ‏"‏ ‏.‏
Reference : Sahih Muslim 1081a
In-book reference : Book 13, Hadith 20
USC-MSA web (English) reference : Book 6, Hadith 2378
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Sahih Muslim 1172 c

'A'isha (Allah be pleased with her) reported that the Messenger of Allah (may peace he upon him) used to observe i'tikif in the last ten days of Ramadan till Allah called him back (to his heavenly home). Then his wives observed i'tikaf after him.

وَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، عَنْ عُقَيْلٍ، عَنِ الزُّهْرِيِّ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، - رضى الله عنها - أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَعْتَكِفُ الْعَشْرَ الأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللَّهُ عَزَّ وَجَلَّ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ ‏.‏
Reference : Sahih Muslim 1172c
In-book reference : Book 14, Hadith 5
USC-MSA web (English) reference : Book 6, Hadith 2640
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Sahih Muslim 1167 f

Abu Sa'id al-Khudri (Allah be pleased with him) reported:

The Messenger of Allah (may peace be upon him) observed i'tikaf in the middle ten days of Ramadan to seek Lailat-ul-Qadr before it was made manifest to him. When (these nights) were over, he commanded to strike the tent. Then it was made manifest to him that (Lailat-ul-Qadr) was in the last ten nights (of Ramadan), and commanded to pitch the tent (again). He then came to the people and said: O people, Lailat-ul-Qadr was made manifest to me and I came out to inform you about it that two persons came contending with each other and there was a devil along with them and I forgot it. So seek it in the last ten nights of Ramadan. Seek it on the ninth, on the seventh and on the fifth. I (one of the narrators) said: Abu Sa'id, you know more than us about numbers. He said: Yes, indeed we have better right than you. I said: What is this ninth, seventh, and fifth? He said: When twenty-one (nights are over) and the twenty-second begins, it is the ninth, and when twenty-three (nights) are over, that which follows (the last night) is the seventh, and when twenty-five nights are over, what follows it is fifth. Ibn Khallad said: Instead of the word Yahliqan (contending), he said Yakhtasiman, (they are disputing).
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَأَبُو بَكْرِ بْنُ خَلاَّدٍ قَالاَ حَدَّثَنَا عَبْدُ الأَعْلَى، حَدَّثَنَا سَعِيدٌ، عَنْ أَبِي نَضْرَةَ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، - رضى الله عنه - قَالَ اعْتَكَفَ رَسُولُ اللَّهِ صلى الله عليه وسلم الْعَشْرَ الأَوْسَطَ مِنْ رَمَضَانَ يَلْتَمِسُ لَيْلَةَ الْقَدْرِ قَبْلَ أَنْ تُبَانَ لَهُ فَلَمَّا انْقَضَيْنَ أَمَرَ بِالْبِنَاءِ فَقُوِّضَ ثُمَّ أُبِينَتْ لَهُ أَنَّهَا فِي الْعَشْرِ الأَوَاخِرِ فَأَمَرَ بِالْبِنَاءِ فَأُعِيدَ ثُمَّ خَرَجَ عَلَى النَّاسِ فَقَالَ ‏"‏ يَا أَيُّهَا النَّاسُ إِنَّهَا كَانَتْ أُبِينَتْ لِي لَيْلَةُ الْقَدْرِ وَإِنِّي خَرَجْتُ لأُخْبِرَكُمْ بِهَا فَجَاءَ رَجُلاَنِ يَحْتَقَّانِ مَعَهُمَا الشَّيْطَانُ فَنُسِّيتُهَا فَالْتَمِسُوهَا فِي الْعَشْرِ الأَوَاخِرِ مِنْ رَمَضَانَ الْتَمِسُوهَا فِي التَّاسِعَةِ وَالسَّابِعَةِ وَالْخَامِسَةِ ‏"‏ ‏.‏ قَالَ قُلْتُ يَا أَبَا سَعِيدٍ إِنَّكُمْ أَعْلَمُ بِالْعَدَدِ مِنَّا ‏.‏ قَالَ أَجَلْ ‏.‏ نَحْنُ أَحَقُّ بِذَلِكَ مِنْكُمْ ‏.‏ قَالَ قُلْتُ مَا التَّاسِعَةُ وَالسَّابِعَةُ وَالْخَامِسَةُ قَالَ ...
Reference : Sahih Muslim 1167f
In-book reference : Book 13, Hadith 280
USC-MSA web (English) reference : Book 6, Hadith 2630
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Sahih Muslim 1080 d

'Ubaidullah narrated on the authority of the same chain of transmitters that the Messenger of Allah (may peace be upon him) made a mention of Ramadan and said:

The month may consist of twenty-nine days, and it may be thus, thus and thus, and (he further) said: Calculate it, but he did not say thirty.
وَحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، عَنْ عُبَيْدِ اللَّهِ، بِهَذَا الإِسْنَادِ وَقَالَ ذَكَرَ رَسُولُ اللَّهِ صلى الله عليه وسلم رَمَضَانَ فَقَالَ ‏"‏ الشَّهْرُ تِسْعٌ وَعِشْرُونَ الشَّهْرُ هَكَذَا وَهَكَذَا وَهَكَذَا ‏"‏ ‏.‏ وَقَالَ ‏"‏ فَاقْدِرُوا لَهُ ‏"‏ ‏.‏ وَلَمْ يَقُلْ ‏"‏ ثَلاَثِينَ ‏"‏ ‏.‏
Reference : Sahih Muslim 1080d
In-book reference : Book 13, Hadith 7
USC-MSA web (English) reference : Book 6, Hadith 2366
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Sahih Muslim 1111 e

Humaid b. 'Abd al-Rahman reported that Abu Huraira had narrated to him that the Apostle of Allah (may peace be upon him) commanded the person (who) broke the fast in Ramadan to free a slave or observe fasts for two (consecutive) months or feed sixty poor persons.

حَدَّثَنِي مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، أَخْبَرَنَا ابْنُ جُرَيْجٍ، حَدَّثَنِي ابْنُ شِهَابٍ، عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ، أَنَّ أَبَا هُرَيْرَةَ، حَدَّثَهُ أَنَّ النَّبِيَّ صلى الله عليه وسلم أَمَرَ رَجُلاً أَفْطَرَ فِي رَمَضَانَ أَنْ يُعْتِقَ رَقَبَةً أَوْ يَصُومَ شَهْرَيْنِ أَوْ يُطْعِمَ سِتِّينَ مِسْكِينًا ‏.‏
Reference : Sahih Muslim 1111e
In-book reference : Book 13, Hadith 105
USC-MSA web (English) reference : Book 6, Hadith 2461
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Sahih al-Bukhari 1969

Narrated `Aisha:

Allah's Apostle used to fast till one would say that he would never stop fasting, and he would abandon fasting till one would say that he would never fast. I never saw Allah's Apostle fasting for a whole month except the month of Ramadan, and did not see him fasting in any month more than in the month of Sha'ban.

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنْ أَبِي النَّضْرِ، عَنْ أَبِي سَلَمَةَ، عَنْ عَائِشَةَ ـ رضى الله عنها ـ قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَصُومُ حَتَّى نَقُولَ لاَ يُفْطِرُ، وَيُفْطِرُ حَتَّى نَقُولَ لاَ يَصُومُ‏.‏ فَمَا رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم اسْتَكْمَلَ صِيَامَ شَهْرٍ إِلاَّ رَمَضَانَ، وَمَا رَأَيْتُهُ أَكْثَرَ صِيَامًا مِنْهُ فِي شَعْبَانَ‏.‏
Reference : Sahih al-Bukhari 1969
In-book reference : Book 30, Hadith 76
USC-MSA web (English) reference : Vol. 3, Book 31, Hadith 190
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Sahih al-Bukhari 2034

Narrated `Aisha:

The Prophet intended to practice I`tikaf and when he reached the place where he intended to perform I`tikaf, he saw some tents, the tents of `Aisha, Hafsa and Zainab. So, he said, "Do you consider that they intended to do righteousness by doing this?" And then he went away and did not perform I`tikaf (in Ramadan) but performed it in the month of Shawwal for ten days.

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ عَمْرَةَ بِنْتِ عَبْدِ الرَّحْمَنِ، عَنْ عَائِشَةَ ـ رضى الله عنها ـ أَنَّ النَّبِيَّ صلى الله عليه وسلم أَرَادَ أَنْ يَعْتَكِفَ، فَلَمَّا انْصَرَفَ إِلَى الْمَكَانِ الَّذِي أَرَادَ أَنْ يَعْتَكِفَ إِذَا أَخْبِيَةٌ خِبَاءُ عَائِشَةَ، وَخِبَاءُ حَفْصَةَ، وَخِبَاءُ زَيْنَبَ، فَقَالَ ‏"‏ آلْبِرَّ تَقُولُونَ بِهِنَّ ‏"‏‏.‏ ثُمَّ انْصَرَفَ، فَلَمْ يَعْتَكِفْ، حَتَّى اعْتَكَفَ عَشْرًا مِنْ شَوَّالٍ‏.‏
Reference : Sahih al-Bukhari 2034
In-book reference : Book 33, Hadith 9
USC-MSA web (English) reference : Vol. 3, Book 33, Hadith 250
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Sahih al-Bukhari 6821

Narrated Abu Huraira:

A person had sexual relation with his wife in the month of Ramadan (while he was fasting), and he came to Allah's Apostle seeking his verdict concerning that action. The Prophet said (to him), "Can you afford to manumit a slave?" The man said, "No." The Prophet said, "Can you fast for two successive months?" He said, "No." The Prophet said, "Then feed sixty poor persons."

حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ أَنَّ رَجُلاً، وَقَعَ بِامْرَأَتِهِ فِي رَمَضَانَ، فَاسْتَفْتَى رَسُولَ اللَّهِ صلى الله عليه وسلم فَقَالَ ‏"‏ هَلْ تَجِدُ رَقَبَةً ‏"‏‏.‏ قَالَ لاَ‏.‏ قَالَ ‏"‏ هَلْ تَسْتَطِيعُ صِيَامَ شَهْرَيْنِ ‏"‏‏.‏ قَالَ لاَ‏.‏ قَالَ ‏"‏ فَأَطْعِمْ سِتِّينَ مِسْكِينًا ‏"‏‏.‏
Reference : Sahih al-Bukhari 6821
In-book reference : Book 86, Hadith 49
USC-MSA web (English) reference : Vol. 8, Book 82, Hadith 811
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Sahih Muslim 16 c

It is narrated on the authority of 'Abdullah son of 'Umar that the Messenger of Allah (may peace be upon him) said:

(The superstructure of) al-Islam is raised on five (pillars), testifying (the fact) that there is no god but Allah, that Muhammad is His bondsman and messenger, and the establishment of prayer, payment of Zakat, Pilgrimage to the House (Ka'ba) and the fast of Ramadan.
حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عَاصِمٌ، - وَهُوَ ابْنُ مُحَمَّدِ بْنِ زَيْدِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ - عَنْ أَبِيهِ، قَالَ قَالَ عَبْدُ اللَّهِ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ بُنِيَ الإِسْلاَمُ عَلَى خَمْسٍ شَهَادَةِ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ وَأَنَّ مُحَمَّدًا عَبْدُهُ وَرَسُولُهُ وَإِقَامِ الصَّلاَةِ وَإِيتَاءِ الزَّكَاةِ وَحَجِّ الْبَيْتِ وَصَوْمِ رَمَضَانَ ‏"‏ ‏.‏
Reference : Sahih Muslim 16c
In-book reference : Book 1, Hadith 21
USC-MSA web (English) reference : Book 1, Hadith 20
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Sahih Muslim 738 a

Abu Salama b. Abd al-Rahman asked 'A'isha about the (night) prayer of the Messenger of Allah (may peace be upon him) during the month of Ramadan. She said:

The Messenger of Allah (may peace be upon him) did not observe either in Ramadan or in other months more than eleven rak'ahs (of the night prayer). He (in the first instance) observed four rak'ahs. Ask not about their excellence and their length (i. e. these were matchless in perfection and length). He again observed four rak'ahs, and ask not about their excellence and their length. He would then observe three rak'ahs (of the Witr prayer). 'A'isha again said: I said: Messenger of Allah, do you sleep before observing the Witr prayer? He said: O 'A'isha, my eyes sleep but my heart does not sleep.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ سَعِيدِ بْنِ أَبِي سَعِيدٍ الْمَقْبُرِيِّ، عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ، أَنَّهُ سَأَلَ عَائِشَةَ كَيْفَ كَانَتْ صَلاَةُ رَسُولِ اللَّهِ صلى الله عليه وسلم فِي رَمَضَانَ قَالَتْ مَا كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَزِيدُ فِي رَمَضَانَ وَلاَ فِي غَيْرِهِ عَلَى إِحْدَى عَشْرَةَ رَكْعَةً يُصَلِّي أَرْبَعًا فَلاَ تَسْأَلْ عَنْ حُسْنِهِنَّ وَطُولِهِنَّ ثُمَّ يُصَلِّي أَرْبَعًا فَلاَ تَسْأَلْ عَنْ حُسْنِهِنَّ وَطُولِهِنَّ ثُمَّ يُصَلِّي ثَلاَثًا فَقَالَتْ عَائِشَةُ فَقُلْتُ يَا رَسُولَ اللَّهِ أَتَنَامُ قَبْلَ أَنْ تُوتِرَ فَقَالَ ‏"‏ يَا عَائِشَةُ إِنَّ عَيْنَىَّ تَنَامَانِ وَلاَ يَنَامُ قَلْبِي ‏"‏ ‏.‏
Reference : Sahih Muslim 738a
In-book reference : Book 6, Hadith 152
USC-MSA web (English) reference : Book 4, Hadith 1607
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Sahih al-Bukhari 1935

Narrated `Aisha:

A man came to the Prophet and said that he had been burnt (ruined). The Prophet asked him what was the matter. He replied, "I had sexual intercourse with my wife in Ramadan (while I was fasting)." Then a basket full of dates was brought to the Prophet and he asked, "Where is the burnt (ruined) man?" He replied, "I am present." The Prophet told him to give that basket in charity (as expiation).

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُنِيرٍ، سَمِعَ يَزِيدَ بْنَ هَارُونَ، حَدَّثَنَا يَحْيَى ـ هُوَ ابْنُ سَعِيدٍ ـ أَنَّ عَبْدَ الرَّحْمَنِ بْنَ الْقَاسِمِ، أَخْبَرَهُ عَنْ مُحَمَّدِ بْنِ جَعْفَرِ بْنِ الزُّبَيْرِ بْنِ الْعَوَّامِ بْنِ خُوَيْلِدٍ، عَنْ عَبَّادِ بْنِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، أَخْبَرَهُ أَنَّهُ، سَمِعَ عَائِشَةَ ـ رضى الله عنها ـ تَقُولُ إِنَّ رَجُلاً أَتَى النَّبِيَّ صلى الله عليه وسلم فَقَالَ إِنَّهُ احْتَرَقَ‏.‏ قَالَ ‏"‏ مَالَكَ ‏"‏‏.‏ قَالَ أَصَبْتُ أَهْلِي فِي رَمَضَانَ‏.‏ فَأُتِيَ النَّبِيُّ صلى الله عليه وسلم بِمِكْتَلٍ، يُدْعَى الْعَرَقَ فَقَالَ ‏"‏ أَيْنَ الْمُحْتَرِقُ ‏"‏‏.‏ قَالَ أَنَا‏.‏ قَالَ ‏"‏ تَصَدَّقْ بِهَذَا ‏"‏‏.‏
Reference : Sahih al-Bukhari 1935
In-book reference : Book 30, Hadith 42
USC-MSA web (English) reference : Vol. 3, Book 31, Hadith 156
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Sahih al-Bukhari 2023

Narrated 'Ubada bin As-Samit:

The Prophet came out to inform us about the Night of Qadr but two Muslims were quarreling with each other. So, the Prophet said, "I came out to inform you about the Night of Qadr but such-and-such persons were quarreling, so the news about it had been taken away; yet that might be for your own good, so search for it on the 29th, 27th and 25th (of Ramadan).

حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا خَالِدُ بْنُ الْحَارِثِ، حَدَّثَنَا حُمَيْدٌ، حَدَّثَنَا أَنَسٌ، عَنْ عُبَادَةَ بْنِ الصَّامِتِ، قَالَ خَرَجَ النَّبِيُّ صلى الله عليه وسلم لِيُخْبِرَنَا بِلَيْلَةِ الْقَدْرِ، فَتَلاَحَى رَجُلاَنِ مِنَ الْمُسْلِمِينَ، فَقَالَ ‏"‏ خَرَجْتُ لأُخْبِرَكُمْ بِلَيْلَةِ الْقَدْرِ، فَتَلاَحَى فُلاَنٌ وَفُلاَنٌ، فَرُفِعَتْ، وَعَسَى أَنْ يَكُونَ خَيْرًا لَكُمْ، فَالْتَمِسُوهَا فِي التَّاسِعَةِ وَالسَّابِعَةِ وَالْخَامِسَةِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 2023
In-book reference : Book 32, Hadith 10
USC-MSA web (English) reference : Vol. 3, Book 32, Hadith 240
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Sahih al-Bukhari 2009

Narrated Abu Huraira:

Allah's Apostle said, "Whoever prayed at night the whole month of Ramadan out of sincere Faith and hoping for a reward from Allah, then all his previous sins will be forgiven." Ibn Shihab (a sub-narrator) said, "Allah's Apostle died and the people continued observing that (i.e. Nawafil offered individually, not in congregation), and it remained as it was during the Caliphate of Abu Bakr and in the early days of 'Umar's Caliphate."

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنِ ابْنِ شِهَابٍ، عَنْ حُمَيْدِ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ مَنْ قَامَ رَمَضَانَ إِيمَانًا وَاحْتِسَابًا غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ ‏" ‏‏.‏ قَالَ ابْنُ شِهَابٍ فَتُوُفِّيَ رَسُولُ اللَّهِ صلى الله عليه وسلم وَالأَمْرُ عَلَى ذَلِكَ، ثُمَّ كَانَ الأَمْرُ عَلَى ذَلِكَ فِي خِلاَفَةِ أَبِي بَكْرٍ وَصَدْرًا مِنْ خِلاَفَةِ عُمَرَ ـ رضى الله عنهما.‏
Reference : Sahih al-Bukhari 2009
In-book reference : Book 31, Hadith 2
USC-MSA web (English) reference : Vol. 3, Book 32, Hadith 227
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Sahih Muslim 984 c

Ibn 'Umar said that the Apostle of Allah (may peace be upon him) prescribed the Sadaqa of Ramadan (Sadaqat-al-Fitr) one sa' of dates or one sa' of barley for every free man or a slave, male or female, and then the people equalised (one sa' of dates or barley) with half a sa' of wheat.

وَحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، أَخْبَرَنَا يَزِيدُ بْنُ زُرَيْعٍ، عَنْ أَيُّوبَ، عَنْ نَافِعٍ، عَنِ ابْنِ، عُمَرَ قَالَ فَرَضَ النَّبِيُّ صلى الله عليه وسلم صَدَقَةَ رَمَضَانَ عَلَى الْحُرِّ وَالْعَبْدِ وَالذَّكَرِ وَالأُنْثَى صَاعًا مِنْ تَمْرٍ أَوْ صَاعًا مِنْ شَعِيرٍ ‏.‏ قَالَ فَعَدَلَ النَّاسُ بِهِ نِصْفَ صَاعٍ مِنْ بُرٍّ ‏.‏
Reference : Sahih Muslim 984c
In-book reference : Book 12, Hadith 18
USC-MSA web (English) reference : Book 5, Hadith 2151
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Sahih Muslim 1125 d

'A'isha (Allah be pleased with her) reported that the Messenger of Allah (may peace be upon him) had ordered to observe fast (on 'Ashura) before the fasting in Ramadan was made obligatory. But when it became obligatory, then he who wished fasted on the day of Ashura, and he who wished did not observe it (on that day).

حَدَّثَنَا حَرْمَلَةُ بْنُ يَحْيَى، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، أَخْبَرَنِي عُرْوَةُ بْنُ الزُّبَيْرِ، أَنَّ عَائِشَةَ، - رضى الله عنها - قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَأْمُرُ بِصِيَامِهِ قَبْلَ أَنْ يُفْرَضَ رَمَضَانُ فَلَمَّا فُرِضَ رَمَضَانُ كَانَ مَنْ شَاءَ صَامَ يَوْمَ عَاشُورَاءَ وَمَنْ شَاءَ أَفْطَرَ ‏.‏
Reference : Sahih Muslim 1125d
In-book reference : Book 13, Hadith 146
USC-MSA web (English) reference : Book 6, Hadith 2502
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Sahih Muslim 1165 e

Ibn Umar (Allah be pleased with them) reported Allah's Messenger (may peace be upon him) as saying:

Seek it (Lailat-ul-Qadr) in the last (ten nights). If one among you shows slackness and weakness (in the earlier part of Ramadan), it should not be allowed to prevail upon him in the last week.
وَحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ عُقْبَةَ، - وَهُوَ ابْنُ حُرَيْثٍ - قَالَ سَمِعْتُ ابْنَ عُمَرَ، - رضى الله عنهما - يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ الْتَمِسُوهَا فِي الْعَشْرِ الأَوَاخِرِ - يَعْنِي لَيْلَةَ الْقَدْرِ - فَإِنْ ضَعُفَ أَحَدُكُمْ أَوْ عَجَزَ فَلاَ يُغْلَبَنَّ عَلَى السَّبْعِ الْبَوَاقِي ‏"‏ ‏.‏
Reference : Sahih Muslim 1165e
In-book reference : Book 13, Hadith 271
USC-MSA web (English) reference : Book 6, Hadith 2621
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Sahih Muslim 1167 b

Abu Sa'id al-Khudri (Allah be pleased with him) reported that the Messenger of Allah (may peace be upon him) devoted (himself to prayer) in the middle (ten nights) of Ramadan. The rest of the hadith is the same except for these words:

" That he adhered to his place of i'tikaf and his forehead was besmeared with mud and water."
وَحَدَّثَنَا ابْنُ أَبِي عُمَرَ، حَدَّثَنَا عَبْدُ الْعَزِيزِ، - يَعْنِي الدَّرَاوَرْدِيَّ - عَنْ يَزِيدَ، عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ، عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، - رضى الله عنه - أَنَّهُ قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُجَاوِرُ فِي رَمَضَانَ الْعَشْرَ الَّتِي فِي وَسَطِ الشَّهْرِ ‏.‏ وَسَاقَ الْحَدِيثَ بِمِثْلِهِ غَيْرَ أَنَّهُ قَالَ ‏"‏ فَلْيَثْبُتْ فِي مُعْتَكَفِهِ ‏"‏ ‏.‏ وَقَالَ وَجَبِينُهُ مُمْتَلِئًا طِينًا وَمَاءً ‏.‏
Reference : Sahih Muslim 1167b
In-book reference : Book 13, Hadith 276
USC-MSA web (English) reference : Book 6, Hadith 2626
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Sahih Muslim 1146 a

Abu Salama reported:

I heard 'A'isha (Allah be pleased with her) as saying: I had to complete some of the fasts of Ramadan, but I could not do it but during the month of Sha'ban due to my duties to the Messenger of Allah (may peace be upon him) or with the Messenger of Allah (may peace be upon him).
حَدَّثَنَا أَحْمَدُ بْنُ عَبْدِ اللَّهِ بْنِ يُونُسَ، حَدَّثَنَا زُهَيْرٌ، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، عَنْ أَبِي، سَلَمَةَ قَالَ سَمِعْتُ عَائِشَةَ، - رضى الله عنها - تَقُولُ كَانَ يَكُونُ عَلَىَّ الصَّوْمُ مِنْ رَمَضَانَ فَمَا أَسْتَطِيعُ أَنْ أَقْضِيَهُ إِلاَّ فِي شَعْبَانَ الشُّغُلُ مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَوْ بِرَسُولِ اللَّهِ صلى الله عليه وسلم ‏.‏
Reference : Sahih Muslim 1146a
In-book reference : Book 13, Hadith 193
USC-MSA web (English) reference : Book 6, Hadith 2549
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Sahih Muslim 738 d

Abu Salama is reported to have said. I came to 'A'isha. I said:

O mother, inform me about the prayer of the Messenger of Allah (may peace be upon him). She said: His (night prayer) in Ramadan and (during other months) was thirteen rak'ahs at night including two rak'ahs of fajr.
وَحَدَّثَنَا عَمْرٌو النَّاقِدُ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ عَبْدِ اللَّهِ بْنِ أَبِي لَبِيدٍ، سَمِعَ أَبَا سَلَمَةَ، قَالَ أَتَيْتُ عَائِشَةَ فَقُلْتُ أَىْ أُمَّهْ أَخْبِرِينِي عَنْ صَلاَةِ رَسُولِ اللَّهِ صلى الله عليه وسلم ‏.‏ فَقَالَتْ كَانَتْ صَلاَتُهُ فِي شَهْرِ رَمَضَانَ وَغَيْرِهِ ثَلاَثَ عَشْرَةَ رَكْعَةً بِاللَّيْلِ مِنْهَا رَكْعَتَا الْفَجْرِ ‏.‏
Reference : Sahih Muslim 738d
In-book reference : Book 6, Hadith 155
USC-MSA web (English) reference : Book 4, Hadith 1610
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Sahih Muslim 1132 a

Ibn Abbas was asked about observing of fast on the day of Ashura, whereupon he said:

I do not know Allah's Messenger (may peace be upon him) singling out any day's fast and considering it more excellent than another, except this day (the day of Ashura) and this month, meaning the month of Ramadan.
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَعَمْرٌو النَّاقِدُ، جَمِيعًا عَنْ سُفْيَانَ، - قَالَ أَبُو بَكْرٍ حَدَّثَنَا ابْنُ عُيَيْنَةَ، - عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي يَزِيدَ، سَمِعَ ابْنَ عَبَّاسٍ، - رضى الله عنهما - وَسُئِلَ عَنْ صِيَامِ، يَوْمِ عَاشُورَاءَ ‏.‏ فَقَالَ مَا عَلِمْتُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَامَ يَوْمًا يَطْلُبُ فَضْلَهُ عَلَى الأَيَّامِ إِلاَّ هَذَا الْيَوْمَ وَلاَ شَهْرًا إِلاَّ هَذَا الشَّهْرَ يَعْنِي رَمَضَانَ ‏.‏
Reference : Sahih Muslim 1132a
In-book reference : Book 13, Hadith 168
USC-MSA web (English) reference : Book 6, Hadith 2524
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Sahih Muslim 1173 a

'A'isha (Allah be pleased with her) reported that when the Messenger of Allah (may peace be upon him) decided to observe i'tikaf, he prayed in the morning and then went to the place of his i'tikaf, and he commanded that a tent should be pitched for him, and it was pitched. He (once) decided to observe i'tikaf in the last ten days of Ramadan. Zainab (the wife of the Holy Prophet) commanded that a tent should be pitched for her. It was pitched accordingly. And some other wives of Allah's Apostle (may peace be upon him) commanded that tents should be pitched for them too. And they were pitched. When the Messenger of Allah (may peace he upon him) offered the morning prayer, he looked and found (so many) tents. Thereupon he said:

What is this virtue that these (ladies) have decided to acquire? He commanded his tent to be struck and abandoned i'tikaf in the month of Ramadan and postponed it to the first ten days of Shawwal.
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، أَخْبَرَنَا أَبُو مُعَاوِيَةَ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ عَمْرَةَ، عَنْ عَائِشَةَ، - رضى الله عنها - قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم إِذَا أَرَادَ أَنْ يَعْتَكِفَ صَلَّى الْفَجْرَ ثُمَّ دَخَلَ مُعْتَكَفَهُ وَإِنَّهُ أَمَرَ بِخِبَائِهِ فَضُرِبَ أَرَادَ الاِعْتِكَافَ فِي الْعَشْرِ الأَوَاخِرِ مِنْ رَمَضَانَ فَأَمَرَتْ زَيْنَبُ بِخِبَائِهَا فَضُرِبَ وَأَمَرَ غَيْرُهَا مِنْ أَزْوَاجِ النَّبِيِّ صلى الله عليه وسلم بِخِبَائِهِ فَضُرِبَ فَلَمَّا صَلَّى رَسُولُ اللَّهِ صلى الله عليه وسلم الْفَجْرَ نَظَرَ فَإِذَا الأَخْبِيَةُ فَقَالَ ‏"‏ آلْبِرَّ تُرِدْنَ ‏"‏ ‏.‏ فَأَمَرَ بِخِبَائِهِ فَقُوِّضَ وَتَرَكَ الاِعْتِكَافَ فِي شَهْرِ رَمَضَانَ حَتَّى اعْتَكَفَ فِي الْعَشْرِ الأَوَّلِ مِنْ شَوَّالٍ ‏.‏
Reference : Sahih Muslim 1173a
In-book reference : Book 14, Hadith 6
USC-MSA web (English) reference : Book 6, Hadith 2641
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Sahih al-Bukhari 4279

Narrated Tawus:

Ibn `Abbas said, "Allah's Apostle travelled in the month of Ramadan and he fasted till he reached (a place called) 'Usfan, then he asked for a tumbler of water and drank it by the daytime so that the people might see him. He broke his fast till he reached Mecca." Ibn `Abbas used to say, "Allah's Apostle fasted and sometimes did not fast while traveling, so one may fast or may not (on journeys)"

حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ مُجَاهِدٍ، عَنْ طَاوُسٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ سَافَرَ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي رَمَضَانَ، فَصَامَ حَتَّى بَلَغَ عُسْفَانَ، ثُمَّ دَعَا بِإِنَاءٍ مِنْ مَاءٍ فَشَرِبَ نَهَارًا، لِيُرِيَهُ النَّاسَ، فَأَفْطَرَ حَتَّى قَدِمَ مَكَّةَ‏.‏ قَالَ وَكَانَ ابْنُ عَبَّاسٍ يَقُولُ صَامَ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي السَّفَرِ وَأَفْطَرَ، فَمَنْ شَاءَ صَامَ، وَمَنْ شَاءَ أَفْطَرَ‏.‏
Reference : Sahih al-Bukhari 4279
In-book reference : Book 64, Hadith 313
USC-MSA web (English) reference : Vol. 5, Book 59, Hadith 576
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Sahih Muslim 1128

Jabir b Samura reported that the Messenger of Allah (may peace be upon him) commanded us to observe fast on the day of Ashura and exhorted us to do it and was particular about it But when (fasting) in Ramadan was made obligatory, he hence. forth neither commanded us nor forbade us, nor was he so particular about it.

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُوسَى، أَخْبَرَنَا شَيْبَانُ، عَنْ أَشْعَثَ، بْنِ أَبِي الشَّعْثَاءِ عَنْ جَعْفَرِ بْنِ أَبِي ثَوْرٍ، عَنْ جَابِرِ بْنِ سَمُرَةَ، - رضى الله عنه - قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَأْمُرُنَا بِصِيَامِ يَوْمِ عَاشُورَاءَ وَيَحُثُّنَا عَلَيْهِ وَيَتَعَاهَدُنَا عِنْدَهُ فَلَمَّا فُرِضَ رَمَضَانُ لَمْ يَأْمُرْنَا وَلَمْ يَنْهَنَا وَلَمْ يَتَعَاهَدْنَا عِنْدَهُ ‏.‏
Reference : Sahih Muslim 1128
In-book reference : Book 13, Hadith 158
USC-MSA web (English) reference : Book 6, Hadith 2514
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Sahih Muslim 1171 b

Abdullah b. Umar (Allah be pleased with both of them) reported that the Messenger of Allah (may peace be upon him) used to observe i'tikaf in the last ten days of Ramadan. Nafi' said:

Abdullah (Allah be pleased with him) showed me the place in the mosque where the Messenger of Allah (may peace be upon him) used to observe i'tikaf.
وَحَدَّثَنِي أَبُو الطَّاهِرِ، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ بْنُ يَزِيدَ، أَنَّ نَافِعًا، حَدَّثَهُ عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، - رضى الله عنهما - أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يَعْتَكِفُ الْعَشْرَ الأَوَاخِرَ مِنْ رَمَضَانَ ‏.‏ قَالَ نَافِعٌ وَقَدْ أَرَانِي عَبْدُ اللَّهِ - رضى الله عنه - الْمَكَانَ الَّذِي كَانَ يَعْتَكِفُ فِيهِ رَسُولُ اللَّهِ صلى الله عليه وسلم مِنَ الْمَسْجِدِ ‏.‏
Reference : Sahih Muslim 1171b
In-book reference : Book 14, Hadith 2
USC-MSA web (English) reference : Book 6, Hadith 2637
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Sahih al-Bukhari 1863

Narrated Ibn `Abbas:

When the Prophet returned after performing his Hajj, he asked Um Sinan Al-Ansari, "What did forbid you to perform Hajj?" She replied, "Father of so-and-so (i.e. her husband) had two camels and he performed Hajj on one of them, and the second is used for the irrigation of our land." The Prophet said (to her), "Perform `Umra in the month of Ramadan, (as it is equivalent to Hajj or Hajj with me (in reward).

حَدَّثَنَا عَبْدَانُ، أَخْبَرَنَا يَزِيدُ بْنُ زُرَيْعٍ، أَخْبَرَنَا حَبِيبٌ الْمُعَلِّمُ، عَنْ عَطَاءٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ لَمَّا رَجَعَ النَّبِيُّ صلى الله عليه وسلم مِنْ حَجَّتِهِ قَالَ لأُمِّ سِنَانٍ الأَنْصَارِيَّةِ ‏"‏ مَا مَنَعَكِ مِنَ الْحَجِّ ‏"‏‏.‏ قَالَتْ أَبُو فُلاَنٍ ـ تَعْنِي زَوْجَهَا ـ كَانَ لَهُ نَاضِحَانِ، حَجَّ عَلَى أَحَدِهِمَا، وَالآخَرُ يَسْقِي أَرْضًا لَنَا‏.‏ قَالَ ‏"‏ فَ إِنَّ عُمْرَةً فِي رَمَضَانَ تَقْضِي حَجَّةً مَعِي ‏" ‏‏.‏ رَوَاهُ ابْنُ جُرَيْجٍ عَنْ عَطَاءٍ سَمِعْتُ ابْنَ عَبَّاسٍ عَنِ النَّبِيِّ صلى الله عليه وسلم‏.‏

وَقَالَ عُبَيْدُ اللَّهِ : عَنْ عَبْدِ الْكَرِيمِ ، عَنْ عَطَاءٍ ، عَنْ جَابِرٍ ، عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ ...

Reference : Sahih al-Bukhari 1863
In-book reference : Book 28, Hadith 43
USC-MSA web (English) reference : Vol. 3, Book 29, Hadith 86
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Sahih al-Bukhari 4275

Narrated Ubaidullah bin `Abdullah bin `Utba:

Ibn `Abbas said, Allah's Apostle fought the Ghazwa (i.e. battles of Al-Fath during Ramadan." Narrated Az-Zuhri: Ibn Al-Musaiyab (also) said the same. Ibn `Abbas added, "The Prophet fasted and when he reached Al-Kadid, a place where there is water between Kudaid and 'Usfan, he broke his fast and did not fast afterwards till the whole month had passed away.

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، حَدَّثَنَا اللَّيْثُ، قَالَ حَدَّثَنِي عُقَيْلٌ، عَنِ ابْنِ شِهَابٍ، قَالَ أَخْبَرَنِي عُبَيْدُ اللَّهِ بْنُ عَبْدِ اللَّهِ بْنِ عُتْبَةَ، أَنَّ ابْنَ عَبَّاسٍ، أَخْبَرَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم غَزَا غَزْوَةَ الْفَتْحِ فِي رَمَضَانَ‏.‏ قَالَ وَسَمِعْتُ ابْنَ الْمُسَيَّبِ يَقُولُ مِثْلَ ذَلِكَ‏.‏ وَعَنْ عُبَيْدِ اللَّهِ أَنَّ ابْنَ عَبَّاسِ ـ رضى الله عنهما ـ قَالَ صَامَ رَسُولُ اللَّهِ صلى الله عليه وسلم حَتَّى إِذَا بَلَغَ الْكَدِيدَ ـ الْمَاءَ الَّذِي بَيْنَ قُدَيْدٍ وَعُسْفَانَ ـ أَفْطَرَ، فَلَمْ يَزَلْ مُفْطِرًا حَتَّى انْسَلَخَ الشَّهْرُ‏.‏
Reference : Sahih al-Bukhari 4275
In-book reference : Book 64, Hadith 309
USC-MSA web (English) reference : Vol. 5, Book 59, Hadith 573
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Sahih al-Bukhari 6049

Narrated 'Ubada bin As-Samit:

Allah's Apostle went out to inform the people about the (date of the Night of decree (Al-Qadr). There happened a quarrel between two Muslim men. The Prophet said, "I came out to inform you about the Night of Al-Qadr, but as so-and-so and so-and-so quarrelled, so the news about it had been taken away; and may be it was better for you. So look for it in the ninth, the seventh, or the fifth (of the last ten days of Ramadan).

حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا بِشْرُ بْنُ الْمُفَضَّلِ، عَنْ حُمَيْدٍ، قَالَ قَالَ أَنَسٌ حَدَّثَنِي عُبَادَةُ بْنُ الصَّامِتِ، قَالَ خَرَجَ رَسُولُ اللَّهِ صلى الله عليه وسلم لِيُخْبِرَ النَّاسَ بِلَيْلَةِ الْقَدْرِ، فَتَلاَحَى رَجُلاَنِ مِنَ الْمُسْلِمِينَ، قَالَ النَّبِيُّ صلى الله عليه وسلم ‏"‏ خَرَجْتُ لأُخْبِرَكُمْ، فَتَلاَحَى فُلاَنٌ وَفُلاَنٌ وَإِنَّهَا رُفِعَتْ، وَعَسَى أَنْ يَكُونَ خَيْرًا لَكُمْ، فَالْتَمِسُوهَا فِي التَّاسِعَةِ وَالسَّابِعَةِ وَالْخَامِسَةِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 6049
In-book reference : Book 78, Hadith 79
USC-MSA web (English) reference : Vol. 8, Book 73, Hadith 75
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Sahih al-Bukhari 49

Narrated 'Ubada bin As-Samit:

"Allah's Apostle went out to inform the people about the (date of the) night of decree (Al-Qadr) but there happened a quarrel between two Muslim men. The Prophet said, "I came out to inform you about (the date of) the night of Al-Qadr, but as so and so and so and so quarrelled, its knowledge was taken away (I forgot it) and maybe it was better for you. Now look for it in the 7th, the 9th and the 5th (of the last 10 nights of the month of Ramadan)."

أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا إِسْمَاعِيلُ بْنُ جَعْفَرٍ، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ، قَالَ أَخْبَرَنِي عُبَادَةُ بْنُ الصَّامِتِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم خَرَجَ يُخْبِرُ بِلَيْلَةِ الْقَدْرِ، فَتَلاَحَى رَجُلاَنِ مِنَ الْمُسْلِمِينَ فَقَالَ ‏"‏ إِنِّي خَرَجْتُ لأُخْبِرَكُمْ بِلَيْلَةِ الْقَدْرِ، وَإِنَّهُ تَلاَحَى فُلاَنٌ وَفُلاَنٌ فَرُفِعَتْ وَعَسَى أَنْ يَكُونَ خَيْرًا لَكُمُ الْتَمِسُوهَا فِي السَّبْعِ وَالتِّسْعِ وَالْخَمْسِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 49
In-book reference : Book 2, Hadith 42
USC-MSA web (English) reference : Vol. 1, Book 2, Hadith 47
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Sahih al-Bukhari 4277

Narrated Ibn `Abbas:

Allah's Apostle set out towards Hunain in the month of Ramadan and some of the people were fasting while some others were not fasting, and when the Prophet mounted his she-camel, he asked for a tumbler of milk or water and put it on the palm of his hand or on his she-camel and then the people looked at him; and those who were not fasting told those who were fasting, to break their fast (i.e. as the Prophet had done so).

حَدَّثَنِي عَيَّاشُ بْنُ الْوَلِيدِ، حَدَّثَنَا عَبْدُ الأَعْلَى، حَدَّثَنَا خَالِدٌ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ خَرَجَ النَّبِيُّ صلى الله عليه وسلم فِي رَمَضَانَ إِلَى حُنَيْنٍ، وَالنَّاسُ مُخْتَلِفُونَ فَصَائِمٌ وَمُفْطِرٌ، فَلَمَّا اسْتَوَى عَلَى رَاحِلَتِهِ دَعَا بِإِنَاءٍ مِنْ لَبَنٍ أَوْ مَاءٍ، فَوَضَعَهُ عَلَى رَاحَتِهِ أَوْ عَلَى رَاحِلَتِهِ، ثُمَّ نَظَرَ إِلَى النَّاسِ فَقَالَ الْمُفْطِرُونَ لِلصُّوَّامِ أَفْطِرُوا‏ .‏
Reference : Sahih al-Bukhari 4277
In-book reference : Book 64, Hadith 311
USC-MSA web (English) reference : Vol. 5, Book 59, Hadith 575
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Sahih Muslim 1080 e

Ibn'Umar (Allah be pleased with-both of them) reported Allah's Messenger (may peace be upon him) as saying:

The month of Ramadan may consist of twenty-nine days. So do not fast till you have sighted it (the new moon) and do not break fast, till you have sighted it (the new moon of Shawwal), and if the sky is cloudy for you, then calculate.
وَحَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنَا إِسْمَاعِيلُ، عَنْ أَيُّوبَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، - رضى الله عنهما - قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ إِنَّمَا الشَّهْرُ تِسْعٌ وَعِشْرُونَ فَلاَ تَصُومُوا حَتَّى تَرَوْهُ وَلاَ تُفْطِرُوا حَتَّى تَرَوْهُ فَإِنْ غُمَّ عَلَيْكُمْ فَاقْدِرُوا لَهُ ‏"‏ ‏.‏
Reference : Sahih Muslim 1080e
In-book reference : Book 13, Hadith 8
USC-MSA web (English) reference : Book 6, Hadith 2367
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Sahih Muslim 1101 d

This hadith has been narrated on the authority of Ibn Abi Aufa (Allah be pleased with him) through another chain of transmitters (but with a sight alteration of words):

In this hadith transmitted by one of the narrators (neither these words are found): During the month of Ramadan." nor his statement:" And the night prevails from that side (the eastern side)." (These words are found in the narration of) Hushaim only.
وَحَدَّثَنَا ابْنُ أَبِي عُمَرَ، أَخْبَرَنَا سُفْيَانُ، ح وَحَدَّثَنَا إِسْحَاقُ، أَخْبَرَنَا جَرِيرٌ، كِلاَهُمَا عَنِ الشَّيْبَانِيِّ، عَنِ ابْنِ أَبِي أَوْفَى، ح . وَحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي ح، وَحَدَّثَنَا ابْنُ الْمُثَنَّى، حَدَّثَنَا مُحَمَّدُ بْنُ، جَعْفَرٍ قَالاَ حَدَّثَنَا شُعْبَةُ، عَنِ الشَّيْبَانِيِّ، عَنِ ابْنِ أَبِي أَوْفَى، - رضى الله عنه - عَنِ النَّبِيِّ صلى الله عليه وسلم بِمَعْنَى حَدِيثِ ابْنِ مُسْهِرٍ وَعَبَّادٍ وَعَبْدِ الْوَاحِدِ وَلَيْسَ فِي حَدِيثِ أَحَدٍ مِنْهُمْ فِي شَهْرِ رَمَضَانَ وَلاَ قَوْلُهُ ‏"‏ وَجَاءَ اللَّيْلُ مِنْ هَا هُنَا ‏"‏ ‏.‏ إِلاَّ فِي رِوَايَةِ هُشَيْمٍ وَحْدَهُ ...
Reference : Sahih Muslim 1101d
In-book reference : Book 13, Hadith 68
USC-MSA web (English) reference : Book 6, Hadith 2425
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Sahih Muslim 1116 a

Abu Sa'id al-Khudri (Allah be pleased with him) reported:

We went out on an expedition with Allah's Messenger (may peace be upon him) on the 16th of Ramadan. Some of us fasted and some of us broke the fast. But neither the observer of the fast found fault with one who broke it, nor the breaker of the fast found fault with one who observed it.
حَدَّثَنَا هَدَّابُ بْنُ خَالِدٍ، حَدَّثَنَا هَمَّامُ بْنُ يَحْيَى، حَدَّثَنَا قَتَادَةُ، عَنْ أَبِي نَضْرَةَ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، - رضى الله عنه - قَالَ غَزَوْنَا مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم لِسِتَّ عَشْرَةَ مَضَتْ مِنْ رَمَضَانَ فَمِنَّا مَنْ صَامَ وَمِنَّا مَنْ أَفْطَرَ فَلَمْ يَعِبِ الصَّائِمُ عَلَى الْمُفْطِرِ وَلاَ الْمُفْطِرُ عَلَى الصَّائِمِ ‏.‏
Reference : Sahih Muslim 1116a
In-book reference : Book 13, Hadith 121
USC-MSA web (English) reference : Book 6, Hadith 2477
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Sahih Muslim 760 a

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying:

He who observed the fasts of Ramadan with faith and seeking reward (from Allah), all his previous sins would be forgiven, and he who observed prayer on Lailat-ul- Qadr with faith and seeking reward (from Allah), all his previous sins would be forgiven.
وَحَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنَا مُعَاذُ بْنُ هِشَامٍ، حَدَّثَنِي أَبِي، عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، قَالَ حَدَّثَنَا أَبُو سَلَمَةَ بْنُ عَبْدِ الرَّحْمَنِ، أَنَّ أَبَا هُرَيْرَةَ، حَدَّثَهُمْ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ مَنْ صَامَ رَمَضَانَ إِيمَانًا وَاحْتِسَابًا غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ وَمَنْ قَامَ لَيْلَةَ الْقَدْرِ إِيمَانًا وَاحْتِسَابًا غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ ‏"‏ ‏.‏
Reference : Sahih Muslim 760a
In-book reference : Book 6, Hadith 209
USC-MSA web (English) reference : Book 4, Hadith 1664
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Sahih Muslim 1146 e

'A'isha reported:

If one amongst us had to break fasts (of Ramadan due to natural reasons, i. e. menses) during the life of the Messenger of Allah (may peace be upon him) she could not find it possible to complete them so long she had been in the presence of Allah's Messenger (may peace be upon him) till Sha'ban commenced.
وَحَدَّثَنِي مُحَمَّدُ بْنُ أَبِي عُمَرَ الْمَكِّيُّ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ مُحَمَّدٍ الدَّرَاوَرْدِيُّ، عَنْ يَزِيدَ بْنِ عَبْدِ اللَّهِ بْنِ الْهَادِ، عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ، عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ عَائِشَةَ، - رضى الله عنها - أَنَّهَا قَالَتْ إِنْ كَانَتْ إِحْدَانَا لَتُفْطِرُ فِي زَمَانِ رَسُولِ اللَّهِ صلى الله عليه وسلم فَمَا تَقْدِرُ عَلَى أَنْ تَقْضِيَهُ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم حَتَّى يَأْتِيَ شَعْبَانُ ‏.‏
Reference : Sahih Muslim 1146e
In-book reference : Book 13, Hadith 197
USC-MSA web (English) reference : Book 6, Hadith 2552
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Sahih Muslim 1161 c

Imran b. Husain (Allah be pleased with them) reported that Allah's Apostle (may peace be upon him) said to a person:

Did you observe any fast in the middle of this month (Sha'ban)? He said: No. Thereupon the Messenger of Allah (may peace be upon him) said: Fast for two days instead of (one fast) when you have completed (fasts of) Ramadan.
وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، عَنِ الْجُرَيْرِيِّ، عَنْ أَبِي، الْعَلاَءِ عَنْ مُطَرِّفٍ، عَنْ عِمْرَانَ بْنِ حُصَيْنٍ، - رضى الله عنهما - أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ لِرَجُلٍ ‏"‏ هَلْ صُمْتَ مِنْ سُرَرِ هَذَا الشَّهْرِ شَيْئًا ‏"‏ ‏.‏ قَالَ لاَ ‏.‏ فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ فَإِذَا أَفْطَرْتَ مِنْ رَمَضَانَ فَصُمْ يَوْمَيْنِ مَكَانَهُ ‏"‏ ‏.‏
Reference : Sahih Muslim 1161c
In-book reference : Book 13, Hadith 258
USC-MSA web (English) reference : Book 6, Hadith 2608
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Sahih al-Bukhari 1129

Narrated `Aisha the mother of the faithful believers:

One night Allah's Apostle offered the prayer in the Mosque and the people followed him. The next night he also offered the prayer and too many people gathered. On the third and the fourth nights more people gathered, but Allah's Apostle did not come out to them. In the morning he said, "I saw what you were doing and nothing but the fear that it (i.e. the prayer) might be enjoined on you, stopped me from coming to you." And that happened in the month of Ramadan.

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، قَالَ أَخْبَرَنَا مَالِكٌ، عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ بْنِ الزُّبَيْرِ، عَنْ عَائِشَةَ أُمِّ الْمُؤْمِنِينَ ـ رضى الله عنها أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَلَّى ذَاتَ لَيْلَةٍ فِي الْمَسْجِدِ فَصَلَّى بِصَلاَتِهِ نَاسٌ، ثُمَّ صَلَّى مِنَ الْقَابِلَةِ فَكَثُرَ النَّاسُ، ثُمَّ اجْتَمَعُوا مِنَ اللَّيْلَةِ الثَّالِثَةِ أَوِ الرَّابِعَةِ، فَلَمْ يَخْرُجْ إِلَيْهِمْ رَسُولُ اللَّهِ صلى الله عليه وسلم، فَلَمَّا أَصْبَحَ قَالَ ‏"‏ قَدْ رَأَيْتُ الَّذِي صَنَعْتُمْ وَلَمْ يَمْنَعْنِي مِنَ الْخُرُوجِ إِلَيْكُمْ إِلاَّ أَنِّي خَشِيتُ أَنْ تُفْرَضَ عَلَيْكُمْ ‏" ‏، وَذَلِكَ فِي رَمَضَانَ‏.‏
Reference : Sahih al-Bukhari 1129
In-book reference : Book 19, Hadith 9
USC-MSA web (English) reference : Vol. 2, Book 21, Hadith 229
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Sahih Muslim 1080 b

Ibn Umar reported that Allah's Messenger (may peace be upon him) made a mention of Ramadan and he with the gesture of his hand said:

The month is thus and thus. (He then withdrew his thumb at the third time). He then said: Fast when you see it, and break your fast when you see it, and if the weather is cloudy calculate it (the months of Sha'ban and Shawwal) as thirty days.
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو أُسَامَةَ، حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، رضى الله عنهما أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم ذَكَرَ رَمَضَانَ فَضَرَبَ بِيَدَيْهِ فَقَالَ ‏"‏ الشَّهْرُ هَكَذَا وَهَكَذَا وَهَكَذَا - ثُمَّ عَقَدَ إِبْهَامَهُ فِي الثَّالِثَةِ - فَصُومُوا لِرُؤْيَتِهِ وَأَفْطِرُوا لِرُؤْيَتِهِ فَإِنْ أُغْمِيَ عَلَيْكُمْ فَاقْدِرُوا لَهُ ثَلاَثِينَ ‏" ‏ ‏.‏
Reference : Sahih Muslim 1080b
In-book reference : Book 13, Hadith 5
USC-MSA web (English) reference : Book 6, Hadith 2364
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Sahih Muslim 1080 f

'Abdullah b. 'Umar (Allah be pleased with both of them) reported Allah's Messenger (may peace be upon him) as saying:

The month (of Ramadan) may consist of twenty nine days; so when you see the new moon observe fast and when you see (the new moon again at the commencement of the month of Shawwal) then break It, and if the sky is cloudy for you, then calculate it (and complete thirty days).
وَحَدَّثَنِي حُمَيْدُ بْنُ مَسْعَدَةَ الْبَاهِلِيُّ، حَدَّثَنَا بِشْرُ بْنُ الْمُفَضَّلِ، حَدَّثَنَا سَلَمَةُ، - وَهُوَ ابْنُ عَلْقَمَةَ - عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، - رضى الله عنهما - قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ الشَّهْرُ تِسْعٌ وَعِشْرُونَ فَإِذَا رَأَيْتُمُ الْهِلاَلَ فَصُومُوا وَإِذَا رَأَيْتُمُوهُ فَأَفْطِرُوا فَإِنْ غُمَّ عَلَيْكُمْ فَاقْدِرُوا لَهُ ‏"‏ ‏.‏
Reference : Sahih Muslim 1080f
In-book reference : Book 13, Hadith 9
USC-MSA web (English) reference : Book 6, Hadith 2368
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