Warning Bell 7:50 am
Announcements 7:55 am – 8:00 am
Period 1 8:00 am – 9:23 am
Period 2 9:28 am – 10:51 am
Period 3 10:56 am – 12:19 am
Period 3 Lunch 10:51 am – 11:39 am
Period 4 11:39 am – 1:02 pm
Period 4 Lunch 12:19 pm – 1:07 pm
Period 5 1:07 pm – 2:30 pm

There are two possible timetables:

Timetable A
Warning Bell 7:50 am
Announcements 7:55 am – 8:00 am
Period 1 8:00 am – 9:23 am
Period 2 9:28 am – 10:51 am
Period 3 Lunch 10:51 am – 11:39 am
Period 4 11:39 am – 1:02 pm
Period 5 1:07 pm – 2:30 pm
Timetable B
Warning Bell 7:50 am
Announcements 7:55 am – 8:00 am
Period 1 8:00 am – 9:23 am
Period 2 9:28 am – 10:51 am
Period 3 10:56 am – 12:19 am
Period 4 Lunch 12:19 pm – 1:07 pm
Period 5 1:07 pm – 2:30 pm