What is the 17th of Tammuz?
The summer months mark the biggest gap between holidays in the Jewish calendar. They also contain the period of time known as the Three Weeks. Beginning with the Fast of the 17th of Tammuz and ending with the Fast of the Ninth of Av, Tisha B鈥橝v, the Three Weeks are a time of mourning and commemoration of historical loss for the Jewish people.