RED STICK FARMERS MARKET: 8 a.m., Unitarian Church of Baton Rouge, 8470 Goodwood Blvd.
BASIC BRIDGE CLASS: 10:30 a.m., East Baton Rouge Parish Library Scotlandville Branch, 7373 Scenic Highway. Registration is required. (225) 354-7540 or ebrpl.com.
ASTRONOMY NIGHT: 5 p.m., Nicholson Hall, LSU campus. The Department of Physics and Astronomy will host the program, which includes hands-on demonstrations. It will end with an astronomy viewing in the Landolt Observatory, weather permitting. (225) 578-7222.
TWILIGHT TOUR: 6 p.m., BREC’s Baton Rouge Zoo, 3601 Thomas Road. Tickets are $16 for adults and teens and $13 for children, ages 2-12. (225) 775-3877 or brzoo.org.