English translation
[2661] 130 - (...) It was narrated that Abû Mūsâ [may Allāh be pleased with them] said: "The people of Khaibar used to fast on the day of ʾAshūrâ, and they took it as a festival and dressed their women in their jewelry and finery on that day. The Messenger of Allâh ﷺ said: "Then you (Muslims) should fast (on that day)."
