ENOfficial
‘A’isha told that when Sauda became old she said, “Messenger of God, I appoint to ‘A'isha the day you visit me” (Cf. the last tradition in this chapter). So God’s Messenger allotted two days to ‘A’isha, hers and Sauda’s. (Bukhari and Muslim.)
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَائِشَةَ أَنَّ سَوْدَةَ لَمَّا كَبِرَتْ قَالَتْ: يَا رَسُولَ اللَّهِ قَدْ جَعَلْتُ يَوْمِي مِنْكَ لِعَائِشَةَ فَكَانَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُقَسَّمُ لِعَائِشَةَ يَوْمَيْنِ يَوْمَهَا وَيَوْم سَوْدَة
sunnah.com