DRINKING: FunCheapSF has the scoop on 21st Amendment Brewery's annual celebration of Repeal Day with 5-cent beers, a march against Prohibition, a secret speakeasy event (password required!), and the tapping of the cask of Repeal Day IPA. Costumes encouraged! (4 p.m. to Midnight, 21st Amendment Brewery & Restaurant, 563 2nd Street)

TREE-LIGHTING: Rita Moreno and Peter Coyote will be taking part in tonight's tree-lighting ceremony at City Hall, which begins with a concert by the San Francisco Boys Chorus, followed by remarks by Mayor Ed Lee and Consul General of Japan Hiroshi Inomata. (5:30 p.m., City Hall, 1 Dr. Carlton B. Goodlett Place)

LITERARY: Quiet Lightning reading series, which "revolutionized literary readings by eliminating introductions and banter and publishing each month’s show as a book," celebrates its two-year anniversary with readings by a big line-up of Neighborhood Heroes. (7:30 to 9 p.m., Beat Box, 314 11th Street)