When Is Rosh Chodesh 2024. Rosh chodesh means the “head of the new [moon],” and indeed it is a day—or two—of celebration marking the start of a new lunar month. Visible sunrise (hanetz hachama) in new york:

Rosh hashanah, the jewish new year, is celebrated on the first day of the seventh month, 4 because the ordering of the months starts from the time of passover and not the. Nisan, sivan, av, and tishrei always begin with one day of rosh chodesh;