1st period      8:40-9:25
2nd period     9:29-10:14
3rd period    10:18-11:03   PLC
4th period    11:07-11:52
5th period    11:56-12:41
    Lunch      12:45-1:15
6th period      1:19-2:22
7th period      2:26-3:11
8th period      3:15-4:00    Conference