Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 719 · 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 04:05 in 12-hour time? (a) 4:05 a.m. (b) 4:05 p.m. (c) 6:05 a.m.
2. 2.Write 1:15 a.m. in 24-hour time. (a) 01:15 (b) 03:15 (c) 13:15
3. 3.Write 1:10 p.m. in 24-hour time. (a) 15:10 (b) 01:10 (c) 13:10
4. 4.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 a.m.
5. 5.A film is 2 hours 35 minutes long. How many minutes is that?
6. 6.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 p.m. (c) 2:55 a.m.
7. 7.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 06:15
8. 8.How many hours are there from 05:00 to 07:00?
9. 9.A match starts at 15:55 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:00 (b) 19:00 (c) 18:00
10. 10.A match starts at 18:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 18:20
11. 11.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 16:15 (c) 14:15
12. 12.A match starts at 11:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 13:35
13. 13.A film is 3 hours 25 minutes long. How many minutes is that?
14. 14.A match starts at 10:25 and lasts 4 hours 40 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 14:05
15. 15.How many hours are there from 10:00 to 13:00?
16. 16.A train leaves at 11:25 and reaches at 13:05. How long is the journey (in minutes)?
17. 17.A match starts at 09:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:25 (b) 14:25 (c) 12:25
18. 18.A film is 1 hour 20 minutes long. How many minutes is that?
19. 19.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
20. 20.Write 6:20 p.m. in 24-hour time. (a) 20:20 (b) 18:20 (c) 06:20
21. 21.How many hours are there from 06:00 to 09:00?
22. 22.A match starts at 12:20 and lasts 3 hours 5 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 16:25
23. 23.Write 7:45 a.m. in 24-hour time. (a) 19:45 (b) 07:45 (c) 09:45
24. 24.How many hours are there from 07:00 to 18:00?
25. 25.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 a.m. (c) 10:50 a.m.
26. 26.A train leaves at 18:35 and reaches at 21:25. How long is the journey (in minutes)?
27. 27.How many hours are there from 07:00 to 20:00?
28. 28.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 p.m. (c) 2:10 a.m.
29. 29.A match starts at 09:35 and lasts 1 hour 55 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 10:30
30. 30.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 p.m.
31. 31.How many hours are there from 09:00 to 21:00?
32. 32.A train leaves at 17:35 and reaches at 20:20. How long is the journey (in minutes)?
33. 33.A match starts at 12:15 and lasts 2 hours 15 minutes. At what time does it end? (a) 15:30 (b) 13:30 (c) 14:30
34. 34.Write 10:20 p.m. in 24-hour time. (a) 10:20 (b) 00:20 (c) 22:20
35. 35.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 a.m. (c) 1:50 p.m.
36. 36.A film is 3 hours 40 minutes long. How many minutes is that?
37. 37.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
38. 38.A train leaves at 16:00 and reaches at 17:40. How long is the journey (in minutes)?
39. 39.What is 14:35 in 12-hour time? (a) 2:35 p.m. (b) 2:35 a.m. (c) 4:35 p.m.
40. 40.A match starts at 14:00 and lasts 1 hour 55 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 16:55

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