Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 229 · 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.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 05:35 (c) 17:35
2. 2.A film is 1 hour 45 minutes long. How many minutes is that?
3. 3.A train leaves at 14:20 and reaches at 15:30. How long is the journey (in minutes)?
4. 4.A match starts at 15:55 and lasts 4 hours 35 minutes. At what time does it end? (a) 20:30 (b) 21:30 (c) 19:30
5. 5.Write 5:30 p.m. in 24-hour time. (a) 19:30 (b) 05:30 (c) 17:30
6. 6.How many hours are there from 07:00 to 13:00?
7. 7.A film is 4 hours 55 minutes long. How many minutes is that?
8. 8.Write 1:10 p.m. in 24-hour time. (a) 13:10 (b) 15:10 (c) 01:10
9. 9.Write 6:45 p.m. in 24-hour time. (a) 18:45 (b) 20:45 (c) 06:45
10. 10.A match starts at 18:30 and lasts 4 hours. At what time does it end? (a) 23:30 (b) 21:30 (c) 22:30
11. 11.Write 4:20 a.m. in 24-hour time. (a) 06:20 (b) 16:20 (c) 04:20
12. 12.A match starts at 09:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:45 (b) 09:45 (c) 10:45
13. 13.How many hours are there from 10:00 to 16:00?
14. 14.How many hours are there from 05:00 to 17:00?
15. 15.A match starts at 11:40 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:50 (b) 15:50 (c) 14:50
16. 16.A film is 1 hour 55 minutes long. How many minutes is that?
17. 17.A match starts at 14:45 and lasts 2 hours 35 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20
18. 18.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 15:10 (c) 03:10
19. 19.Write 3:55 p.m. in 24-hour time. (a) 17:55 (b) 03:55 (c) 15:55
20. 20.Write 11:05 p.m. in 24-hour time. (a) 23:05 (b) 01:05 (c) 11:05
21. 21.How many hours are there from 11:00 to 18:00?
22. 22.What is 13:45 in 12-hour time? (a) 1:45 p.m. (b) 3:45 p.m. (c) 1:45 a.m.
23. 23.A match starts at 08:35 and lasts 4 hours 30 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 14:05
24. 24.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 9:05 a.m. (c) 7:05 a.m.
25. 25.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
26. 26.A train leaves at 19:40 and reaches at 22:00. How long is the journey (in minutes)?
27. 27.A train leaves at 09:05 and reaches at 11:25. How long is the journey (in minutes)?
28. 28.Write 9:10 a.m. in 24-hour time. (a) 09:10 (b) 11:10 (c) 21:10
29. 29.How many hours are there from 06:00 to 17:00?
30. 30.Write 8:25 a.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 10:25
31. 31.A match starts at 14:45 and lasts 4 hours 35 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 18:20
32. 32.A film is 2 hours 45 minutes long. How many minutes is that?
33. 33.Write 2:00 p.m. in 24-hour time. (a) 02:00 (b) 16:00 (c) 14:00
34. 34.Write 5:50 p.m. in 24-hour time. (a) 17:50 (b) 19:50 (c) 05:50
35. 35.Write 11:40 p.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 01:40
36. 36.A match starts at 13:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:40 (b) 17:40 (c) 16:40
37. 37.Write 6:20 p.m. in 24-hour time. (a) 20:20 (b) 06:20 (c) 18:20
38. 38.A train leaves at 09:10 and reaches at 12:00. How long is the journey (in minutes)?
39. 39.How many hours are there from 06:00 to 15:00?
40. 40.A match starts at 10:10 and lasts 2 hours 45 minutes. At what time does it end? (a) 11:55 (b) 13:55 (c) 12:55

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