The conclusion of the Sabbath, a day of rest in Judaism, is marked by nightfall on Saturday. Determining the precise moment involves calculating when three stars are visible in the sky. This timing varies geographically based on the sunset time and the atmospheric conditions affecting visibility. Different Jewish communities may adhere to slightly different interpretations regarding the specific degree of darkness required for the stars to be considered visible, leading to minor variations in the observed ending time.
Observing the end of the Sabbath carries significant religious weight. It signifies the transition back to the weekday activities and the resumption of work and other prohibited activities. Traditionally, the occasion is marked with a Havdalah ceremony, a ritual that distinguishes between the holy day and the mundane week. This ceremony often includes blessings recited over wine, spices, and a candle, symbolizing the joy and the light returning to life.