Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 836 · 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 21:05 in 12-hour time? (a) 11:05 p.m. (b) 9:05 a.m. (c) 9:05 p.m.
2. 2.A match starts at 06:50 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:30 (b) 08:30 (c) 09:30
3. 3.A film is 4 hours 30 minutes long. How many minutes is that?
4. 4.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 10:55
5. 5.Write 9:50 a.m. in 24-hour time. (a) 11:50 (b) 09:50 (c) 21:50
6. 6.A train leaves at 12:05 and reaches at 15:20. How long is the journey (in minutes)?
7. 7.How many hours are there from 06:00 to 12:00?
8. 8.A match starts at 14:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 18:55 (b) 19:55 (c) 17:55
9. 9.A train leaves at 19:05 and reaches at 21:45. How long is the journey (in minutes)?
10. 10.A match starts at 06:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 08:10 (b) 07:10 (c) 09:10
11. 11.A film is 2 hours 30 minutes long. How many minutes is that?
12. 12.How many hours are there from 12:00 to 22:00?
13. 13.A train leaves at 16:20 and reaches at 17:15. How long is the journey (in minutes)?
14. 14.A film is 1 hour 5 minutes long. How many minutes is that?
15. 15.Write 3:25 p.m. in 24-hour time. (a) 03:25 (b) 17:25 (c) 15:25
16. 16.A train leaves at 12:35 and reaches at 14:05. How long is the journey (in minutes)?
17. 17.A match starts at 15:05 and lasts 1 hour 15 minutes. At what time does it end? (a) 16:20 (b) 15:20 (c) 17:20
18. 18.Write 8:05 a.m. in 24-hour time. (a) 08:05 (b) 10:05 (c) 20:05
19. 19.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 7:15 a.m. (c) 5:15 a.m.
20. 20.Write 5:05 a.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 07:05
21. 21.A train leaves at 16:20 and reaches at 18:10. How long is the journey (in minutes)?
22. 22.A film is 3 hours 25 minutes long. How many minutes is that?
23. 23.How many hours are there from 06:00 to 17:00?
24. 24.A train leaves at 06:40 and reaches at 07:15. How long is the journey (in minutes)?
25. 25.Write 4:00 a.m. in 24-hour time. (a) 16:00 (b) 06:00 (c) 04:00
26. 26.A train leaves at 19:40 and reaches at 22:45. How long is the journey (in minutes)?
27. 27.A film is 4 hours 40 minutes long. How many minutes is that?
28. 28.A match starts at 13:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 16:15
29. 29.How many hours are there from 05:00 to 07:00?
30. 30.Write 6:00 p.m. in 24-hour time. (a) 18:00 (b) 20:00 (c) 06:00
31. 31.Write 1:55 p.m. in 24-hour time. (a) 15:55 (b) 13:55 (c) 01:55
32. 32.Write 9:45 a.m. in 24-hour time. (a) 21:45 (b) 11:45 (c) 09:45
33. 33.A film is 4 hours 20 minutes long. How many minutes is that?
34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
35. 35.A match starts at 06:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 09:50 (b) 08:50 (c) 10:50
36. 36.What is 23:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 p.m. (c) 11:40 p.m.
37. 37.How many hours are there from 08:00 to 21:00?
38. 38.A film is 2 hours 25 minutes long. How many minutes is that?
39. 39.Write 4:35 p.m. in 24-hour time. (a) 04:35 (b) 16:35 (c) 18:35
40. 40.What is 08:20 in 12-hour time? (a) 8:20 p.m. (b) 10:20 a.m. (c) 8:20 a.m.

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