Hisham said, "My father said that 'Aishah (ra) used to observe Saum (fast) on the days of Mina." His (i.e., Hisham's) father also used to observe Saum on those days.
Sahih al-Bukhari Book 30, Hadith 102
← Previous Hadith (who fought in twelve Ghazawat in the company of the Prophet). I heard four things from the Prophet (ﷺ) and they won my admiration. He said; -1. "No lady should travel on a journey of two days except with her husband or a Dhi-Mahram; -2. "No fasting is permissible on the two days of Id-ul-Fitr and `Id-ul-Adha; -3. "No prayer (may be offered) after the morning compulsory prayer until the sun rises; and no prayer after the `Asr prayer till the sun sets; -4. "One should travel only for visiting three Masjid (Mosques): Masjid-al-Haram (Mecca), Masjid-al- Aqsa (Jerusalem), and this (my) Mosque (at Medina).

Sahih al-Bukhari Book 30, Hadith 101 Next Hadith → Nobody was allowed to fast on the days of Tashriq except those who could not afford the Hadi (Sacrifice).

Sahih al-Bukhari Book 30, Hadith 103