Sahih al-Bukhari 2520
Book 49: Manumission of Slaves · Narrated by Asma' bint Abu Bakr
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي بَكْرٍ، حَدَّثَنَا عَثَّامٌ، حَدَّثَنَا هِشَامٌ، عَنْ فَاطِمَةَ بِنْتِ الْمُنْذِرِ، عَنْ أَسْمَاءَ بِنْتِ أَبِي بَكْرٍ ـ رضى الله عنهما ـ قَالَتْ كُنَّا نُؤْمَرُ عِنْدَ الْخُسُوفِ بِالْعَتَاقَةِ.
English translation
Narrated Asma' bint Abu Bakr:We were ordered to free slaves at the time of lunar eclipses
Reference: Sahih al-Bukhari 2520, Book of Manumission of Slaves. English translation by Dr. Muhammad Muhsin Khan.