Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 452 · 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 45 minutes long. How many minutes is that?
2. 2.Write 11:20 a.m. in 24-hour time. (a) 13:20 (b) 11:20 (c) 23:20
3. 3.A train leaves at 14:50 and reaches at 17:20. How long is the journey (in minutes)?
4. 4.Write 1:40 a.m. in 24-hour time. (a) 13:40 (b) 01:40 (c) 03:40
5. 5.A match starts at 12:25 and lasts 2 hours 35 minutes. At what time does it end? (a) 15:00 (b) 14:00 (c) 16:00
6. 6.A film is 2 hours 10 minutes long. How many minutes is that?
7. 7.Write 8:30 a.m. in 24-hour time. (a) 08:30 (b) 20:30 (c) 10:30
8. 8.A train leaves at 16:05 and reaches at 17:15. How long is the journey (in minutes)?
9. 9.How many hours are there from 05:00 to 09:00?
10. 10.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 1:10 p.m. (c) 3:10 p.m.
11. 11.How many hours are there from 05:00 to 07:00?
12. 12.How many hours are there from 05:00 to 08:00?
13. 13.A match starts at 16:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 20:05 (b) 19:05 (c) 21:05
14. 14.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 a.m. (c) 6:05 p.m.
15. 15.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 01:20 (c) 03:20
16. 16.A match starts at 07:10 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:25 (b) 10:25 (c) 11:25
17. 17.How many hours are there from 08:00 to 21:00?
18. 18.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 09:05 (c) 11:05
19. 19.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 20:10 (c) 08:10
20. 20.What is 20:15 in 12-hour time? (a) 8:15 a.m. (b) 10:15 p.m. (c) 8:15 p.m.
21. 21.A train leaves at 16:05 and reaches at 17:40. How long is the journey (in minutes)?
22. 22.A match starts at 10:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:25 (b) 11:25 (c) 12:25
23. 23.A film is 3 hours 15 minutes long. How many minutes is that?
24. 24.How many hours are there from 06:00 to 10:00?
25. 25.A film is 1 hour 35 minutes long. How many minutes is that?
26. 26.A train leaves at 14:30 and reaches at 15:50. How long is the journey (in minutes)?
27. 27.What is 03:20 in 12-hour time? (a) 3:20 a.m. (b) 5:20 a.m. (c) 3:20 p.m.
28. 28.How many hours are there from 10:00 to 23:00?
29. 29.Write 10:05 a.m. in 24-hour time. (a) 22:05 (b) 12:05 (c) 10:05
30. 30.A match starts at 13:35 and lasts 4 hours 40 minutes. At what time does it end? (a) 17:15 (b) 19:15 (c) 18:15
31. 31.A match starts at 12:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:25 (b) 17:25 (c) 15:25
32. 32.Write 9:10 p.m. in 24-hour time. (a) 23:10 (b) 21:10 (c) 09:10
33. 33.How many hours are there from 12:00 to 21:00?
34. 34.A film is 3 hours 40 minutes long. How many minutes is that?
35. 35.What is 15:45 in 12-hour time? (a) 3:45 a.m. (b) 3:45 p.m. (c) 5:45 p.m.
36. 36.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
37. 37.Write 6:45 p.m. in 24-hour time. (a) 20:45 (b) 18:45 (c) 06:45
38. 38.A match starts at 11:15 and lasts 1 hour 30 minutes. At what time does it end? (a) 13:45 (b) 11:45 (c) 12:45
39. 39.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 07:50 (c) 17:50
40. 40.A train leaves at 12:30 and reaches at 14:10. How long is the journey (in minutes)?

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