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The Jewish month of Av occurs in July or August on the Gregorian calendar. The 9th of Av is a significant date known as Tisha b'Av, a day of mourning in Judaism. It commemorates the destruction of both the First and Second Temples in Jerusalem, as well as other historical tragedies that have befallen the Jewish people. This day marks the end of a three-week mourning period that begins on the 17th of Tammuz. Observances on Tisha b'Av include a 24-hour fast, abstaining from bathing, and refraining from wearing leather. Conversely, the 15th of Av is celebrated as Tu b'Av, a minor holiday associated with love and marriage.12345

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