Rosh Chodesh March 2024 Dates. Rosh hashanah, first of the high holidays, is the jewish new year. Rosh chodesh tammuz ראש חודש תמוז [when a hebrew month has 30 days rosh chodesh is traditionally celebrated over two days — the 30th of the old month and 1st of the.

Here are the gregorian dates for the biblical feasts in 2024. 20 kislev / december 21.