Jeanna Chickie

What Is Tisha B'Av. Tisha b’av, the ninth day of the month of av (which month coincides with july and/or august), is the major day of communal mourning in the jewish calendar. 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 is the saddest day in the jewish calendar, and over the centuries many tragic events happened — or were traditionally said to have happened — on this date. Tisha b’av is the major day of communal mourning.