When Is Rosh Hashanah 2024. Rosh hashanah is known as the jewish new year, the head of the year or first of the year, and the first of its high holy days, according to the history channel. So when does rosh hashanah start in 2024?

Rosh hashanah 2024, which ushers in the jewish year 5785, starts just before sundown on wednesday, oct. So when does rosh hashanah start in 2024?