The Sabbath begins at 9:21 P.M. on Friday, May 16, and concludes at 10:37 P.M. on Saturday in the Vilnius region. Sabbath candles should be lit at 9:03 P.M. and completed before sunset at 9:21 P.M. Lag b’Omer begins at sunset on Thursday and ends at sundown on Friday. Parts of Canada celebrate Victoria Day Monday.