Definition that contains fast day
- fast of tammuz (Judaism) a minor fast day on Tammuz 17 when the walls of Jerusalem were breached
- minor fast day one of five minor fast days on the Jewish calendar
- fast of av (Judaism) a major fast day on the Jewish calendar commemorating the destruction of the temples in Jerusalem
- yom kippur (Judaism) a solemn and major fast day on the Jewish calendar; 10th of Tishri; its observance is one of the requirements of the Mosaic law
- fast of tevet (Judaism) a minor fast day on Tevet 10 commemorates the beginning of the siege of Jerusalem and has also been proclaimed a memorial day for the six million Jews who died in the Holocaust
- ninth of ab (Judaism) a major fast day on the Jewish calendar commemorating the destruction of the temples in Jerusalem
- tisha b'av (Judaism) a major fast day on the Jewish calendar commemorating the destruction of the temples in Jerusalem
- fast of esther (Judaism) a minor fast day on Adar 13 commemorates three days that Esther fasted before approaching the Persian king on behalf of the Jewish people; the fast is connected with Purim
- fast of the firstborn (Judaism) a minor fast day on Nissan 14 that is observed only by firstborn males; it is observed on the day before Passover
- day of atonement (Judaism) a solemn and major fast day on the Jewish calendar; 10th of Tishri; its observance is one of the requirements of the Mosaic law