When does Shabbat end? This astrophysicist thinks we’ve been getting it wrong
All credit goes to Hannah Feuer and http://forward.com/ Three stars in the night sky mark the Sabbath’s end. Now, one astronomer is calculating exactly when those stars appear. Copy to clipboard Share on Facebook Share on X Share on Bluesky Share on Reddit Share on Email Print Article Republish Article Aster Taylor has a scientific approach to calculating Shabbat’s end. Graphic by Aliza Gans / Photo by Mitch Hrdlicka via Getty Images By Hannah Feuer August 21, 2026 Aster Taylor observes Shabbat on their own time — literally. For the past year, Taylor, a Ph.D. candidate in astrophysics at the University of Michigan, has been keeping Shabbat according to a schedule they devised using astronomical data. So this Saturday, when Chabad of Ann Arbor says Shabbat will end at 9:09 p.m., Taylor will observe for nearly 11 more minutes. Where does Taylor, 25, get the chutzpah to challenge longstanding Jewish tradition? “We live in the modern world. We have computers, we have...