Every week, for the 25 hours beginning just before sundown on Friday until after night has fallen on Saturday night, Jewish people celebrate Shabbat, a period of rest and spiritual rejuvenation. Shabbat is the fourth of the 10 Commandments and repeated over and over again in the Torah, making it one of the most important elements of Judaism. In fact, Shabbat is so central to Jewish life that in common parlance the term shomer Shabbat (Shabbat observer) is synonymous with “religious Jew.” The Hebrew term Shabbat was Anglicized as Sabbath. The traditional Ashkenazi pronunciation is SHAH-bus. Sephardim (and Modern Hebrew speakers), on the other hand, call it shah-BAHT.