Tisha B'Av 2024 Date. The tisha b’av fast is the most mournful day on the jewish calendar, commemorating the destruction of the holy temple and other tragedies throughout jewish. The fast of tisha b'av is observed on the hebrew calendar date of 9 av (or 10 av, when 9 av is shabbat ).
Tish’a b’av for hebrew year 5784 began on monday, 12 august 2024 and ended on tuesday, 13 august 2024. Reading the book of lamentations.