When does Shabbat end — what is the halakhic marker for nightfall on Motzei Shabbat?
Synopsis
The Mechaber rules that three small, non-scattered stars signal nightfall. The Mishnah Berurah, Biur Halacha, and Aruch HaShulchan discuss the requirement for small (not medium or large) stars, the need for them to appear clustered, and whether the disappearance of redness from the western horizon is an additional prerequisite.
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Discussion
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