It's 24 hour time instead of 12 hour time. It goes from 1 a.m. and once you to 12 p.m then 1 would be 13 and then
2 - 14
3 - 15
4 - 16
5 - 17
6 - 18
7 - 19
8 - 20
9 - 21
10 - 22
11 - 23
12 - 24
Then it would start back over at one again.
The answer would be 5: 13 P.M