On the authority of Ibn ‘Abbaas [رضي الله عنه] who was asked about the fast of the day of ‘Ashoorah, so he answered:

❝I do not know of the Messenger of Allaah [ﷺ] fasting a day, wanting the excellence of that fast above that of other days, nor any other month other than this month. i.e. Ramadaan.❞

● [Saheeh Targheeb By Shaykh al-Albanee, (No. 1019)]