Jewish Holidays 2024 Rosh Hashanah. In 2023, rosh hashanah begins at sundown on friday, sept. Rosh hashanah, first of the high holidays, is the jewish new year.

It is the first of the high holidays or yamim noraim (“days of awe”), celebrated ten days. Rosh hashanah, the jewish new year, falls on the hebrew calendar dates of 1 and 2 tishrei.