Rosh Chodesh
Rosh Chodesh marks the opening of a Hebrew month. It is observed with Ya'aleh VeYavo, Musaf, and Hallel, and it may last one day or two.
Rosh Chodesh in the Calendar and Communities
When Rosh Chodesh has two days, its first day is day 30 of the outgoing month and its second is day 1 of the new month. Hallel is generally abbreviated; during Chanukah the full Hallel is recited because of Chanukah.
Primary Sources
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Frequently Asked Questions
When is the next Rosh Chodesh?
The next Israel-calendar occurrence is Sunday, October 11, 2026, 30th of Tishrei, 5787. When Rosh Chodesh has two days, its first day is day 30 of the outgoing month and its second is day 1 of the new month. Hallel is generally abbreviated; during Chanukah the full Hallel is recited because of Chanukah.
Where can I begin learning about Rosh Chodesh?
Study the Torah's Rosh Chodesh offerings and the halachic discussion of Hallel.
What are primary sources for Rosh Chodesh?
The Rosh Chodesh offering: Numbers 28:11-15; Hallel on Rosh Chodesh: Shulchan Arukh, Orach Chayim 422