. If the given is on a 12-hour time format, convert it into a 24-hour time format and vice versa.
1) 15:40 *
a.3:40 pm
b.3:40 am

2) 6:20 a.m. *
a.18:20
b.06:20

3) 17:15 *
a.6:15 pm
b.5:15 pm

4) 6:10 a.m. *
a.06:10
b.18:10

5) 7:25 a.m. *
a.07:25
b.7:25

6) 8:30 p.m. *
a.19:30
b.20:30

7) 4:30 p.m. *
a.16:30
b.15:30

8) 21:45 *
a.9:45 pm
b.10:45 pm

9) 5:55 p.m. *
a.18:55
b.17:55

10) 10:40 p.m. *
a.21:40
b.22:40

11) 1:25 a.m. *
a.01:25
b.1:25

12) 19:25 *
a.7:25 am
b.7:25 pm

13) 11:20 p.m. *
a.23:20
b.11:20

14) 18:15 *
a.6:15 am
b.6:15 pm

15) 21:55 *
a.9:55 am
b.9:55 pm