The Tenth day of Muharram is known as the Day of Ashura. Sometimes, as part of the Mourning of Muharram Shia Muslims practice faka (partial fasting) and Sunni Muslims practice fasting on Ashura.Shia Muslims mourn the death of Ḥusayn ibn ʿAlī and his family, honoring the martyrs by prayer and abstinence from joyous events.