When Is Rosh Hashanah 2024 Calendario. The first night of hanukkah falls on dec. Rosh hashanah is observed on the first two days of the jewish new year, tishrei 1 and 2, beginning at sundown on the eve of tishrei 1.

Rosh hashanah 5785 begins at sundown on the eve of. So when does rosh hashanah start in 2024?