What Day Is Rosh Hashanah 2026. Rosh hashanah in 2026 will start on saturday, the 12th of september (12/9/2026) and will continue for 2 days until sunday, the 13th of september. Rosh hashana labehemot for hebrew year 5786 begins at sundown on thursday, 13 august 2026 and ends at nightfall on friday, 14 august 2026.
Let’s begin with the dates: Rosh hashanah in 2026 will start on saturday, the 12th of september (12/9/2026) and will continue for 2 days until sunday, the 13th of september.