Inicio del mes de Av en el calendario hebreo. Av (אָב) is the 5° month of the Hebrew year, has 30 days, and corresponds to July or August on the Gregorian calendar. רֹאשׁ חוֹדֶשׁ, transliterated Rosh Jodesh 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

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