daypart

In radio and TV broadcasting, fairly standard divisions (based on audience composition) of a 24-hour day for scheduling commercials. 1. Radio (only weekdays): (1) Morning drive: 6:00 a.m. to 10:00 a.m. (2) Daytime: 10:00 a.m. to 3:00 p.m. (3) Afternoon drive: 3:00 p.m. to 7:00 p.m. (4) Nighttime: 7:00 p.m. to 12:00 p.m. (5) Overnight: 12:00 p.m. to 6:00 a.m. 2. Television (both weekdays and weekends): (1) Morning (M-F): 7:00 a.m. to 9:00 a.m. (2) Daytime (M-F): 9:00 a.m. to 4:30 p.m. (3) Early fringe (M-F): 4:30 p.m. to 7:30 p.m. (4) Prime time access (M-Sat): 7:30 p.m. to 8:00 p.m. (5) Prime time (M-Sat): 8:00 p.m. to 11:00 p.m. (6) Prime time (Sun): 7:00 p.m. to 11:00 p.m. (7) Late news (M-F): 11:00 p.m. to 11:30 p.m. (8) Late fringe (M-F): 11:30 p.m. to 1:00 a.m. (9) Late night (M-Sun): 1:00 a.m. onwards.