Chamber South presents 17th annual Military Affairs Committee golf tournament. 9:30 a.m. Miccosukkee Golf & Country Club, 6401 Kendale Lakes Dr. RSVP required. Details: (305) 661-1621.
Culture in the City presents a discussion on the ancient Mayan calendar system. 7:30 p.m. Abanico Theater, Arts and Minds Center, 3138 Commodore Plaza, Coconut Grove. Free Arts and Minds Students with identification; $5-$10 others. Details: (305) 302-7536.
Miami Hong Kong Dragon Boat Festival. 10 a.m.-5 p.m. Southeast Eighth Street and Brickell Key. Free. Details: (305) 636-0902 or www.miamidragon.com. BENEFIT GALA
The 20th anniversary Catholic Hospice Benefit Gala benefits the patients and families of Catholic Hospice, a non-profit organization. The event includes cocktail, dinner and performance by Arturo Sandoval. 7 p.m. Hilton Downtown Miami, 1601 Biscayne Blvd., Miami. $250. Details: (305) 351-7102 or www.catholichospice.org.