Beginning of new Hebrew month of Av. Av is the 5th month of the Hebrew year. Corresponds to July or August on the Gregorian calendar https://www.hebcal.com/holidays/rosh-chodesh

Torah: Deuteronomy 1:1-3:22 Haftarah: Isaiah 1:1 - 1:27 https://www.hebcal.com/sedrot/devarim?utm_source=js&utm_medium=icalendar