Start of month of Iyyar on the Hebrew calendar. ?????? (transliterated Iyyar or Iyar) is the 2nd month of the Hebrew year, has 29 days, and corresponds to April or May on the Gregorian calendar. ????? ???????, 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

Torah: Numbers 28:1-15

https://hebcal.com/h/rosh-chodesh-iyyar-2025?uc=ical-jewish-holidays-all