NOTE: The Jewish calendar date begins at sundown of the night beforehand. Thus all holiday observances begin the night before, as listed.
The exception to this rule is most fast days, which begin at dawn of the date listed (aside for Tisha b’Av and Yom Kippur which also begin the night before). Jewish calendar dates conclude at nightfall.
- Aug 5: Tu B’Av
- Aug 20: Rosh Chodesh Elul
- Aug 21: Rosh Chodesh Elul
Also you might like Jewish Holidays Calendar 2020