Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 975 · 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.A film is 1 hour 15 minutes long. How many minutes is that?
2. 2.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 04:15 (c) 14:15
3. 3.A film is 4 hours 55 minutes long. How many minutes is that?
4. 4.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.
5. 5.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
6. 6.What is 11:20 in 12-hour time? (a) 11:20 a.m. (b) 11:20 p.m. (c) 1:20 a.m.
7. 7.A train leaves at 18:05 and reaches at 19:15. How long is the journey (in minutes)?
8. 8.A match starts at 09:40 and lasts 4 hours 45 minutes. At what time does it end? (a) 13:25 (b) 15:25 (c) 14:25
9. 9.Write 4:15 a.m. in 24-hour time. (a) 04:15 (b) 06:15 (c) 16:15
10. 10.A film is 1 hour 55 minutes long. How many minutes is that?
11. 11.A train leaves at 16:10 and reaches at 17:10. How long is the journey (in minutes)?
12. 12.A match starts at 13:30 and lasts 2 hours 5 minutes. At what time does it end? (a) 15:35 (b) 14:35 (c) 16:35
13. 13.A match starts at 14:45 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
14. 14.How many hours are there from 10:00 to 23:00?
15. 15.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 03:50 (c) 15:50
16. 16.How many hours are there from 05:00 to 07:00?
17. 17.A train leaves at 14:05 and reaches at 15:05. How long is the journey (in minutes)?
18. 18.Write 3:55 p.m. in 24-hour time. (a) 17:55 (b) 15:55 (c) 03:55
19. 19.Write 8:00 a.m. in 24-hour time. (a) 10:00 (b) 20:00 (c) 08:00
20. 20.A match starts at 15:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 18:10 (b) 19:10 (c) 17:10
21. 21.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
22. 22.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 1:10 a.m. (c) 3:10 a.m.
23. 23.A match starts at 08:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 09:40 (b) 11:40 (c) 10:40
24. 24.How many hours are there from 08:00 to 10:00?
25. 25.A film is 2 hours 45 minutes long. How many minutes is that?
26. 26.How many hours are there from 07:00 to 20:00?
27. 27.How many hours are there from 09:00 to 17:00?
28. 28.How many hours are there from 08:00 to 15:00?
29. 29.A train leaves at 07:10 and reaches at 07:40. How long is the journey (in minutes)?
30. 30.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 a.m. (c) 4:30 p.m.
31. 31.A film is 2 hours 35 minutes long. How many minutes is that?
32. 32.A film is 4 hours 10 minutes long. How many minutes is that?
33. 33.A train leaves at 08:00 and reaches at 10:20. How long is the journey (in minutes)?
34. 34.What is 20:20 in 12-hour time? (a) 10:20 p.m. (b) 8:20 p.m. (c) 8:20 a.m.
35. 35.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 04:40 (c) 16:40
36. 36.How many hours are there from 05:00 to 18:00?
37. 37.A match starts at 10:10 and lasts 3 hours 20 minutes. At what time does it end? (a) 14:30 (b) 13:30 (c) 12:30
38. 38.Write 7:25 p.m. in 24-hour time. (a) 21:25 (b) 19:25 (c) 07:25
39. 39.A train leaves at 16:40 and reaches at 19:30. How long is the journey (in minutes)?
40. 40.A train leaves at 08:30 and reaches at 11:15. How long is the journey (in minutes)?

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