The Sabbath begins at 9:30 P.M. on Friday, May 22, and concludes at 10:50 P.M. on Saturday in the Vilnius region. Sabbath candles should be lit at 9:12 P.M. and completed before sunset at 9:30 P.M. Shavuot begins at sundown on Thursday, May 21. Sabbath restrictions apply for the second day of Shavuot celebrated outside Israel. Sunday is Christian Pentecost. Monday is Memorial Day in the United States.