27 February 2028
Start of month of Adar on the Hebrew calendar. Adar (אֲדָר) is the 6th month of the civil Hebrew year and the 12th month of the biblical Hebrew year. It has 29 days and corresponds to February or March on the Gregorian calendar. רֹאשׁ חוֹדֶשׁ, transliterated Rosh Chodesh or Rosh Hodesh, is a minor holiday that occurs at the beginning of every month in the Hebrew calendar. It is marked by the birth of a new moon. Runs for 2 days, 27 February 2028 to 28 February 2028 (30 Sh'vat 5788 to 1 Adar 5788).
Jewish Holidays calendar