Noon -- Tuba Christmas at UNT, a concert of carols by tuba and euphonium players, at the mall outside of Willis Library, off Avenue C on West Highland Street. Free admission. For parking information, visit http://bit.ly/2zVo0y3.
1 to 3 p.m. -- Santa Claus, cookies and cocoa at Code 3 Emergency Room & Urgent Care, 3111 Teasley Lane. Donations will be accepted for Denton State Supported Living Center, including personal care items, art supplies, sports balls, books and magazines, hoodies (sizes 2XL to 4XL) and sunglasses. Visit www.code3er.com or call 940-514-8120.
Alcoholics Anonymous meets from 6 to 7 p.m. at Rock Hill Cowboy Church, 3000 Rock Hill Road in Aubrey. Call 940-391-5805.
Grupo 18 de Marzo Alcoholicos Anonimos meets from 7 to 8:30 p.m. at 100 W. Oak St. Call 940-231-9759.
Co-Dependents Anonymous, for people who desire healthy and loving relationships, meets from 10:30 to 11:30 a.m. at Christ the Servant Lutheran Church, 2121 E. University Drive. Call 940-391-3380.
Compulsive Eaters Anonymous meets at 8:30 a.m. at Trinity United Methodist Church, 633 E. Hobson Lane. Call 940-387-9526.
Denton County Gamblers Anonymous chapter meets from 10 to 11 a.m. in Room 336 of First United Methodist Church of Denton, 201 S. Locust St. Call 940-484-0087.
Narcotics Anonymous meets at 7:30 p.m. at St. Andrew Presbyterian Church, 300 W. Oak St.
Shalom Today group of Alcoholics Anonymous meets at 9 a.m., noon (men's meeting), 1:30 p.m. (women's meeting), 6 p.m. and 8 p.m. at 3730 E. McKinney St., Suite 107. Call 940-383-8252.
Show Me group of Alcoholics Anonymous meets at 9 a.m., 10:30 a.m., noon, 8 p.m. and 10 p.m. at 1622 W. University Drive, Suite 104. Call 940-566-9989.
Denton Celtic Dancers meets from 5 to 7 p.m. at the Center for the Visual Arts, 400 E. Hickory St. Beginners' class starts at 6 p.m. $1 per session, free for students. Call 940-321-0012 or visit www.dentoncelticdancers.org.
Add your event to our online calendar at DentonRC.com/calendar; email firstname.lastname@example.org; fax to 940-566-6888; or mail to Page 2 Calendar, Denton Record-Chronicle, P.O. Box 369, Denton, TX 76202.