When Is Rosh Hashanah 2024 Calendar Week. Rosh hashanah in 2024 will start on thursday, the 3rd of october (3/10/2024) and will continue for 2 days until friday, the 4th of october. That hebrew calendar is based on a combination of lunar and solar cycles.

Rosh hashanah 2024 begins at sundown on wednesday, october 2, and continues through nightfall on friday, october 4, leading right into shabbat (see more details here). 2, and ends after nightfall on friday, oct.