How Long Does Rosh Hashanah Last 2024. Rosh hashanah, also known as the jewish new year, is a celebration that begins after sunset on the eve of tishrei 1 (tishrei is the seventh month in the hebrew. Here are the coinciding secular dates for the upcoming years:
2 and ends at sundown on friday, oct. Rosh hashanah 2024 begins on the evening of wednesday, october 2, and ends at sundown on friday, october 4, 2024.