Question

Refer to the table below specifying time in both 12-hour and 24-hour format and answer the questions that follow.

12-hour clock	24-hour clock	12-hour clock	24-hour clock
12 midnight	0:00	12 noon	12:00
1:00 a.m.	1:00	1:00 p.m.	13:00
2:00 a.m.	2:00	2:00 p.m.	14:00
3:00 a.m.	3:00	3:00 p.m.	15:00
4:00 a.m.	4:00	4:00 p.m.	16:00
5:00 a.m.	5:00	5:00 p.m.	17:00
6:00 a.m.	6:00	6:00 p.m.	18:00
7:00 a.m.	7:00	7:00 p.m.	19:00
8:00 a.m.	8:00	8:00 p.m.	20:00
9:00 a.m.	9:00	9:00 p.m.	21:00
10:00 a.m.	10:00	10:00 p.m.	22:00
11:00 a.m.	11:00	11:00 p.m.	23:00

21:30 in a 24-hour clock is same as ______in a 12-hour clock.

Answer 1

1. The 12-hour clock runs from 1am to noon and then from 1pm to midnight.
2. The 24-hour clock runs from 00:00 (midnight) to 23:59.

21:30 in a 24-hour clock is same as 9:30 p.m. in a 12-hour clock.