A. Regular Schedule Period Time Interval Warning Bell 8:00 AM 1 8:15 - 9:09 AM 2 9:13 - 9:57 AM 3 10:01 - 10:45 AM 4 10:49 - 11:33 AM 5 11:37 AM - 12:21 PM 6 12:25 - 1:09 PM 7 1:13 - 1:57 PM 8 2:01 - 2:45 PM