Shabbat is the weekly Sabbath or day of rest in Judaism and Messianic or Hebraic Christianity, symbolizing the seventh day in Genesis, after the six days of creation. Shabbat is a Hebrew term referring to the Sabbath, the day of rest; the seventh day of the week. Shabbat begins at sundown Friday and ends at sundown on Saturday. Shabbat is also known in Yiddish as Shabbos.