The Sabbath begins at 9:20 P.M. on Friday, August 1, and concludes at 10:27 P.M. on Saturday in the Vilnius region. Sabbath candles should be lit at 9:02 P.M. and completed before sunset at 9:20 P.M. Sunday is Tisha b’Av with the 24-hour fast beginning at sundown on Saturday and ending when stars appear Sunday evening. Friday is also the Christian harvest festival Lammas.