9th Of Av 2024 Fasting. Tisha b'av is never observed on shabbat. Tishah b'av, observed on the 9th (tishah) of the hebrew month of av, is a day of mourning the destruction of both ancient temples in jerusalem.
Tisha b’av, the ninth day of the hebrew month of av (which falls in july or august), commemorates two catastrophic events: Tisha b’av primarily commemorates the destruction of the first and second temples, both of which were destroyed on the ninth of av (the first by the babylonians in 423 b.c.e.;