friday/30

“HUBad SoMa Shul.” Chabad of S.F. happy hour followed by Shabbat services. Free. Dinner $20. Also Dec. 1 morning services followed by lunch. 9:45 a.m. Lunch $20 suggested. At S.F. School of Digital Filmmaking, 925 Mission St., Suite 108, S.F. www.chabadsf.org.

saturday/1

Chanty sing-along. Yeashore Community sings for Havdallah, then joins a larger group for public sing-along. At Hyde Street Historic Pier, intersection of Hyde and Jefferson streets, S.F. 7:30 p.m. Free. www.yeashore.org.