Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 651 · 40 sums

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

1. 1.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 a.m. (c) 4:15 p.m.
2. 2.Write 11:25 a.m. in 24-hour time. (a) 11:25 (b) 23:25 (c) 13:25
3. 3.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 a.m. (c) 1:35 p.m.
4. 4.A train leaves at 16:40 and reaches at 19:05. How long is the journey (in minutes)?
5. 5.What is 17:10 in 12-hour time? (a) 5:10 p.m. (b) 5:10 a.m. (c) 7:10 p.m.
6. 6.A film is 3 hours 25 minutes long. How many minutes is that?
7. 7.A train leaves at 16:55 and reaches at 20:00. How long is the journey (in minutes)?
8. 8.A match starts at 07:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 10:25 (b) 12:25 (c) 11:25
9. 9.Write 10:50 p.m. in 24-hour time. (a) 00:50 (b) 22:50 (c) 10:50
10. 10.What is 20:50 in 12-hour time? (a) 10:50 p.m. (b) 8:50 a.m. (c) 8:50 p.m.
11. 11.How many hours are there from 07:00 to 14:00?
12. 12.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 p.m. (c) 2:15 p.m.
13. 13.How many hours are there from 11:00 to 16:00?
14. 14.A match starts at 13:10 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 14:35
15. 15.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 p.m.
16. 16.What is 17:00 in 12-hour time? (a) 5:00 p.m. (b) 5:00 a.m. (c) 7:00 p.m.
17. 17.Write 4:35 a.m. in 24-hour time. (a) 06:35 (b) 16:35 (c) 04:35
18. 18.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 p.m. (c) 7:05 a.m.
19. 19.How many hours are there from 08:00 to 21:00?
20. 20.A match starts at 18:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:40 (b) 19:40 (c) 21:40
21. 21.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
22. 22.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
23. 23.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 16:35 (c) 02:35
24. 24.What is 16:55 in 12-hour time? (a) 4:55 p.m. (b) 6:55 p.m. (c) 4:55 a.m.
25. 25.What is 20:30 in 12-hour time? (a) 10:30 p.m. (b) 8:30 p.m. (c) 8:30 a.m.
26. 26.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 p.m. (c) 6:00 a.m.
27. 27.How many hours are there from 05:00 to 10:00?
28. 28.Write 9:10 p.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 23:10
29. 29.What is 14:30 in 12-hour time? (a) 2:30 a.m. (b) 2:30 p.m. (c) 4:30 p.m.
30. 30.A match starts at 11:40 and lasts 4 hours 15 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 14:55
31. 31.What is 17:15 in 12-hour time? (a) 5:15 a.m. (b) 5:15 p.m. (c) 7:15 p.m.
32. 32.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
33. 33.A train leaves at 09:40 and reaches at 10:40. How long is the journey (in minutes)?
34. 34.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 02:00 (c) 14:00
35. 35.How many hours are there from 07:00 to 10:00?
36. 36.A train leaves at 11:35 and reaches at 13:50. How long is the journey (in minutes)?
37. 37.A match starts at 14:45 and lasts 2 hours 20 minutes. At what time does it end? (a) 16:05 (b) 17:05 (c) 18:05
38. 38.A train leaves at 15:40 and reaches at 18:40. How long is the journey (in minutes)?
39. 39.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 a.m. (c) 1:20 p.m.
40. 40.Write 10:35 p.m. in 24-hour time. (a) 00:35 (b) 10:35 (c) 22:35

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