Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 379 · 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.How many hours are there from 09:00 to 17:00?
2. 2.How many hours are there from 05:00 to 12:00?
3. 3.A train leaves at 18:55 and reaches at 20:15. How long is the journey (in minutes)?
4. 4.A film is 4 hours 10 minutes long. How many minutes is that?
5. 5.A match starts at 18:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 20:10 (b) 22:10 (c) 21:10
6. 6.A match starts at 07:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 08:50 (b) 10:50 (c) 09:50
7. 7.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 12:15
8. 8.A train leaves at 17:20 and reaches at 17:55. How long is the journey (in minutes)?
9. 9.Write 11:45 p.m. in 24-hour time. (a) 01:45 (b) 11:45 (c) 23:45
10. 10.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 03:40 (c) 15:40
11. 11.A train leaves at 16:35 and reaches at 18:45. How long is the journey (in minutes)?
12. 12.Write 6:40 a.m. in 24-hour time. (a) 18:40 (b) 08:40 (c) 06:40
13. 13.What is 01:15 in 12-hour time? (a) 3:15 a.m. (b) 1:15 p.m. (c) 1:15 a.m.
14. 14.A film is 4 hours 35 minutes long. How many minutes is that?
15. 15.Write 10:30 p.m. in 24-hour time. (a) 10:30 (b) 00:30 (c) 22:30
16. 16.A train leaves at 14:10 and reaches at 15:00. How long is the journey (in minutes)?
17. 17.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 23:50 (c) 13:50
18. 18.How many hours are there from 11:00 to 15:00?
19. 19.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 16:00
20. 20.A film is 1 hour 55 minutes long. How many minutes is that?
21. 21.A train leaves at 13:00 and reaches at 14:20. How long is the journey (in minutes)?
22. 22.A film is 4 hours 45 minutes long. How many minutes is that?
23. 23.A film is 2 hours 10 minutes long. How many minutes is that?
24. 24.A match starts at 07:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 11:10
25. 25.A train leaves at 15:00 and reaches at 16:15. How long is the journey (in minutes)?
26. 26.A train leaves at 06:10 and reaches at 07:05. How long is the journey (in minutes)?
27. 27.A match starts at 17:30 and lasts 4 hours 55 minutes. At what time does it end? (a) 23:25 (b) 21:25 (c) 22:25
28. 28.A train leaves at 13:10 and reaches at 14:10. How long is the journey (in minutes)?
29. 29.What is 17:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 p.m. (c) 5:10 p.m.
30. 30.How many hours are there from 08:00 to 21:00?
31. 31.What is 08:20 in 12-hour time? (a) 10:20 a.m. (b) 8:20 p.m. (c) 8:20 a.m.
32. 32.A train leaves at 10:55 and reaches at 11:45. How long is the journey (in minutes)?
33. 33.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 15:10 (c) 03:10
34. 34.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 05:45 (c) 17:45
35. 35.A film is 3 hours 35 minutes long. How many minutes is that?
36. 36.A train leaves at 15:30 and reaches at 18:00. How long is the journey (in minutes)?
37. 37.A match starts at 10:40 and lasts 4 hours 40 minutes. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
38. 38.Write 6:30 p.m. in 24-hour time. (a) 20:30 (b) 06:30 (c) 18:30
39. 39.What is 02:55 in 12-hour time? (a) 4:55 a.m. (b) 2:55 a.m. (c) 2:55 p.m.
40. 40.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 17:35 (c) 05:35

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