Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 221 · 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 8:10 p.m. in 24-hour time. (a) 22:10 (b) 08:10 (c) 20:10
2. 2.How many hours are there from 11:00 to 16:00?
3. 3.A train leaves at 15:15 and reaches at 17:35. How long is the journey (in minutes)?
4. 4.A match starts at 17:55 and lasts 2 hours 10 minutes. At what time does it end? (a) 21:05 (b) 19:05 (c) 20:05
5. 5.Write 6:10 p.m. in 24-hour time. (a) 18:10 (b) 20:10 (c) 06:10
6. 6.How many hours are there from 10:00 to 13:00?
7. 7.How many hours are there from 06:00 to 15:00?
8. 8.Write 2:35 a.m. in 24-hour time. (a) 02:35 (b) 14:35 (c) 04:35
9. 9.A film is 3 hours 45 minutes long. How many minutes is that?
10. 10.A film is 2 hours 45 minutes long. How many minutes is that?
11. 11.A train leaves at 07:40 and reaches at 10:10. How long is the journey (in minutes)?
12. 12.Write 5:35 a.m. in 24-hour time. (a) 05:35 (b) 17:35 (c) 07:35
13. 13.A train leaves at 08:45 and reaches at 10:40. How long is the journey (in minutes)?
14. 14.A match starts at 10:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 11:20 (b) 13:20 (c) 12:20
15. 15.How many hours are there from 06:00 to 19:00?
16. 16.Write 11:55 a.m. in 24-hour time. (a) 13:55 (b) 11:55 (c) 23:55
17. 17.A match starts at 16:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:35 (b) 19:35 (c) 21:35
18. 18.A film is 3 hours 40 minutes long. How many minutes is that?
19. 19.A film is 3 hours 25 minutes long. How many minutes is that?
20. 20.A train leaves at 10:50 and reaches at 11:50. How long is the journey (in minutes)?
21. 21.A match starts at 12:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 15:10
22. 22.Write 1:35 a.m. in 24-hour time. (a) 03:35 (b) 13:35 (c) 01:35
23. 23.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 10:15 (c) 22:15
24. 24.A match starts at 09:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:25 (b) 09:25 (c) 11:25
25. 25.A train leaves at 17:00 and reaches at 20:10. How long is the journey (in minutes)?
26. 26.What is 15:35 in 12-hour time? (a) 3:35 p.m. (b) 3:35 a.m. (c) 5:35 p.m.
27. 27.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
28. 28.A train leaves at 18:00 and reaches at 20:15. How long is the journey (in minutes)?
29. 29.What is 05:55 in 12-hour time? (a) 5:55 a.m. (b) 7:55 a.m. (c) 5:55 p.m.
30. 30.How many hours are there from 06:00 to 23:00?
31. 31.A train leaves at 18:05 and reaches at 19:40. How long is the journey (in minutes)?
32. 32.A train leaves at 08:10 and reaches at 11:15. How long is the journey (in minutes)?
33. 33.How many hours are there from 11:00 to 14:00?
34. 34.A train leaves at 08:20 and reaches at 09:10. How long is the journey (in minutes)?
35. 35.A match starts at 13:55 and lasts 2 hours 35 minutes. At what time does it end? (a) 16:30 (b) 15:30 (c) 17:30
36. 36.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 04:50
37. 37.A train leaves at 13:40 and reaches at 16:05. How long is the journey (in minutes)?
38. 38.What is 21:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 p.m. (c) 9:20 a.m.
39. 39.A film is 4 hours 55 minutes long. How many minutes is that?
40. 40.How many hours are there from 06:00 to 20:00?

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