Start of month of Sivan on the Hebrew calendar. Sivan (סִיוָן) is the 9th month of the civil Hebrew year (10th on leap years) and the 3rd month of the biblical Hebrew year. It has 30 days and corresponds to May or June 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

Torah: Numbers 28:1-15

https://hebcal.com/h/rosh-chodesh-sivan-2026?i=on&uc=ical-buenos-aires-5786