NYC Pilgrim Pedal23rd Street and the East River.
8 a.m. $35, including breakfast
The destination is a Brooklyn Diner via Queens and Brooklyn in rain, light snow, or shine. Round trip is 20-24 miles over “fairly easy” terrain at leisurely pace. Pre-registration required.
Winter Village Bryant Park
8 a.m.-10 p.m.
Free skating on a 170-foot-by-100-foot rink. $20 to rent skates.
International Film FestivalMilbank Teachers College, Columbia University, 525 West 120th St.
6 p.m., reception at 8 p.m. Films and discussion: $25; films, discussion & VIP reception: $50
Opening night of the African Diaspora International Film Festival, with a showing of “The Naked Poet,” Jason Barrett’s 2016 feature.
212-864-1760. nyadiff.org/Evacuation Day CommemorationFederal Hall National Museum, 26 Wall St.
9 a.m.-4 p.m. Free
The National Park Service’s commemoration of the 233rd anniversary of Evacuation Day, when British Troops left Manhattan during the American Revolutionary War.
Lower East Side gallery tour195 Chrystie St., near Stanton Street
1 p.m. $25
Visit seven modern art galleries in the downtown center for contemporary art, stopping at exhibits in painting, sculpture, electronic media & photography.
Singles Pizza CrawlTriona’s, 237 Sullivan St.
5-8 p.m. $10
Join pizza tour guide Beauregard and other 30 to 50-year-old singles on a walking trip to three different pizza places.
Heart of the Park TourCentral Park, 72nd Street and Fifth Avenue
11-12:30 p.m. Free
An east-to-west tour of Central Park, led by Central Park Conservancy guides.
‘Klaps! 50 Twarzy Greya’
Tribeca Performing Arts Center, 199 Chambers St.
Opening night of a parody of “50 Shades of Gray.”
‘Black Square: Adventures in Post-Soviet Ukraine’ The Half King, 505 West 23rd St.
Readings of a distinctive writer’s fascinating journey into the heart of a troubled region.
Professional Development for New York City TeachersWhitney Museum, 99 Gansevoort St., floor 3
Open to New York City visual arts teachers. A hands-on, inquiry-based tour among galleries, considering how the content can relate to curriculum and teaching practice.
Teen Craft HourMulberry Street Library, 10 Jersey St.
4 p.m. For ages 13 to 18 years
Make something cute, useful and unique.
Tree LightingHoward Hughes Corp., 19 Fulton St.
Light up the night with holiday spirit during the annual South Street Seaport tree lighting ceremony.
The Curse of CashMuseum of American Finance, 16 Fulton St.
6-8 p.m. $15
Economist Kenneth Rogoff discusses why the world should rid itself of paper money.
Google Drive, Part 2Muhlenberg Library, 209 West 23rd St., Conference Rm.
2:30-4:30 p.m. Register by phone or in person.
Learn how to create, edit and share documents online using Google’s free web app platform.