Enlarge Todd Wiseman

Sunday, March 13

• Daylight Saving Time starts
• Texas Tribune/ProPublica SXSW Party — How High is the Water? A Data Visualization Party; 800 W. Cesar Chavez St., B101, Austin (5-7 p.m.)

Tuesday, March 15

• Presidential nominating contests: Florida primary, Illinois primary, Missouri primary, North Carolina primary, Ohio primary