Aishah narrated:
"The Messenger of Allah (ﷺ) would fast Saturdays, Sundays, and Mondays in one months, and Tuesdays, Wednesdays and Thursdays in the next month."
Abu Hurairah narrated that:
the Messenger of Allah (ﷺ) said: "Deeds are presented on Monday and Thursday, and I love that my deeds be presented while I am fasting."