The Sabbath begins at 8:58 P.M. on Friday, May 1, and concludes at 10:00 P.M. on Saturday in the Vilnius region. Sabbath candles should be lit at 8:35 P.M. and completed before sunset at 8:58 P.M. Thursday, April 30, is Walpurgis Night. Friday is May Day, a national holiday in Lithuania. Sunday is Mother’s Day in Lithuania. Tuesday is Lag b’Omer.