When Is Rosh Chodesh Av 2024. 1) until rosh chodesh av, it is permitted to have parties, but not with music. 2) during the nine days, it is preferable not to have a meal with friends.
Rosh hashanah, the jewish new year, is celebrated on the first day of the seventh month, 4 because the ordering of the months starts from the time of passover and not the counting of the year. Shabbat that precedes rosh chodesh.