It was
narrated that Abu Hurairah said:
“The Messenger of Allah (ﷺ)
forbade anticipating the fast by fasting one day before sighting (of
the crescent).”
Reference: 1646English reference: Vol. 1, Book 7, Hadith 1646Arabic reference: Book 7, Hadith 1715In-book reference: Book 7, Hadith 9Grade: Daif (Darussalam)Read this hadith from Darussalam Collection
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ، عَنْ عَبْدِ اللَّهِ بْنِ سَعِيدٍ، عَنْ جَدِّهِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ نَهَى رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ عَنْ تَعْجِيلِ صَوْمِ يَوْمٍ قَبْلَ الرُّؤْيَةِ .
