أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ يَزِيدَ قَالَ حَدَّثَنَا سُفْيَانُ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ مُحَمَّدِ بْنِ حُنَيْنٍ عَنْ ابْنِ عَبَّاسٍ قَالَ عَجِبْتُ مِمَّنْ يَتَقَدَّمُ الشَّهْرَ وَقَدْ قَالَ رَسُولُ اللَّهِ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا رَأَيْتُمْ الْهِلَالَ فَصُومُوا وَإِذَا رَأَيْتُمُوهُ فَأَفْطِرُوا فَإِنْ غُمَّ عَلَيْکُمْ فَأَکْمِلُوا الْعِدَّةَ ثَلَاثِينَ
سنن نسائی · Hadith 2131
It was narrated that Abu Hurairah said: “The Messenger of Allah صلی اللہ علیہ وآلہ وسلم mentioned the crescent and said: ‘When you see it, fast, and when you see it, stop fasting, and if it is obscured from you (too cloudy), then count thirty days.” (Sahih)
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020