When Is Rosh Hashanah 2024 Calendar With Holidays. Rosh hashanah, first of the high holidays, is the jewish new year. Since it is based on the hebrew calendar, rosh hashanah begins on the first day of the seventh month, so this year’s celebration.

In 2024, rosh hashanah begins at sundown on wednesday, oct. In 2024, rosh hashanah starts at sunset on wednesday, october 2, and will run through nightfall on friday, october 4.