The Sabbath begins at 6:32 P.M. on Friday, March 20, and concludes at 7:28 P.M. on Saturday in the Vilnius region. Sabbath candles should be lit at 6:14 P.M. and completed before sunset at 6:32 P.M. Depending on your location and local customs, the spring equinox will be marked on Friday, Saturday or Sunday. Nowruz, or Persian New Year, happens on the spring equinox and is now celebrated in multiple countries on multiple dates.