that when Saudah bint Zam'ah grew old, she gave her day to 'Aishah, and the Messenger of Allah went to 'Aishah on Saudah's day.
أَنْ كَبِرَتْ سَوْدَةُ بِنْتُ زَمْعَةَ وَهَبَتْ يَوْمَهَا لِعَائِشَةَ فَكَانَ رَسُولُ اللَّهِ ﷺ يَقْسِمُ لِعَائِشَةَ بِيَوْمِ سَوْدَةَ