ZUMBA ON THE LAWN: 5 p.m., North Boulevard Town Square. The YMCA will host the free exercise class.
CASA VOLUNTEER ORIENTATION: 5:30 p.m., Capital Area CASA, 848 Louisiana Ave. Learn how to become a voice for an abused or neglected child who is awaiting a safe and permanent home. (225) 379-8595 or casabr.org.
TWILIGHT TOUR: 6 p.m., BREC’s Baton Rouge Zoo. The guided evening tour will include animal shows and snacks. Admission is $16 for adults and teens and $13 for children ages 2-12. (225) 775-3877 or brzoo.org.
HERB SOCIETY OF AMERICA: 7 p.m., Burden Center, 4560 Essen Lane. The topic will be “Artemesia: Herb of the Year.”
ECLECTIC TRUTH OPEN MIC & POETRY SLAM: 7 p.m. to 10 p.m., Le Bon Temps Bar & Grill, 8342 Perkins Road. Admission is $7.