Start of month of Cheshvan on the Hebrew calendar. חֶשְׁוָן (transliterated Cheshvan or Heshvan) is the 2nd month of the civilHebrew year and the 8th month of the biblical Hebrew year. It has 29 or 30 days and corresponds to October or November on the Gregorian calendar. רֹאשׁ חוֹדֶשׁ, transliterated Rosh Chodesh or Rosh Hodesh, isa minor holiday that occurs at the beginning of every month in the Hebrewcalendar. It is marked by the birth of a new moon
Torah: Numbers 28:1-15
https://hebcal.com/h/rosh-chodesh-cheshvan-2025?uc=ical-southfield