Fasts that Start 72 Minutes before Sunrise

All fasts start 72 minutes (normal time) before sunrise except for the Ninth of Av and Yom Kippur.  These include:
  • 17th of Tamuz
  • 10th of Tevet
  • Tzom Gedalia
  • Fast of Esther
  • Fast by a groom and bride on their wedding day
  • Fast for first-born males on the day before Passover. This includes first-born cohanim and Levites (levi'im).
Note Unlike most times in the Jewish calendar, this 72 minutes is normal time and NOT based on the current length of the day (sha'a zmanit).