Today is Ashura, which is the tenth day of the first month (Muharram) of the Islamic calendar. While Ashura is significant for both Sunnis and Shia, they differ in what the day commemorates and what practices should be carried out.
Sunnis fast on this day to commemorate the day that Moses fasted in gratitude for the Israelites being saved from Pharoah. The recommendation to fast on this day come from the following hadith of the Prophet.
Ibn ‘Abbas, may Allah be pleased with him, reported that the Prophet, peace be upon him, came to Medina and saw the Jews fasting on the day of ‘Ashura. He asked:”What is this?” They said: “This is a righteous day, it is the day when Allah saved the Children of Israel from their enemies, so Moses fasted on this day.” He said:”We have more right to Moses than you,” so he fasted on that day and commanded [the Muslims] to fast on that day. [Reported by al-Bukhari] Continue reading