Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 636 · 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 20 minutes long. How many minutes is that?
2. 2.What is 05:05 in 12-hour time? (a) 7:05 a.m. (b) 5:05 p.m. (c) 5:05 a.m.
3. 3.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 23:05 (c) 11:05
4. 4.Write 3:25 a.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 05:25
5. 5.Write 9:00 a.m. in 24-hour time. (a) 09:00 (b) 11:00 (c) 21:00
6. 6.A match starts at 14:35 and lasts 2 hours 25 minutes. At what time does it end? (a) 18:00 (b) 17:00 (c) 16:00
7. 7.What is 21:35 in 12-hour time? (a) 11:35 p.m. (b) 9:35 a.m. (c) 9:35 p.m.
8. 8.Write 10:20 p.m. in 24-hour time. (a) 22:20 (b) 10:20 (c) 00:20
9. 9.A match starts at 10:20 and lasts 4 hours 5 minutes. At what time does it end? (a) 15:25 (b) 13:25 (c) 14:25
10. 10.A film is 2 hours 55 minutes long. How many minutes is that?
11. 11.A match starts at 13:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 14:25 (b) 16:25 (c) 15:25
12. 12.A match starts at 14:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 15:40 (b) 16:40 (c) 17:40
13. 13.What is 11:45 in 12-hour time? (a) 11:45 p.m. (b) 1:45 a.m. (c) 11:45 a.m.
14. 14.What is 08:35 in 12-hour time? (a) 10:35 a.m. (b) 8:35 p.m. (c) 8:35 a.m.
15. 15.A train leaves at 19:15 and reaches at 20:35. How long is the journey (in minutes)?
16. 16.Write 1:35 p.m. in 24-hour time. (a) 13:35 (b) 15:35 (c) 01:35
17. 17.Write 8:05 p.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 22:05
18. 18.A match starts at 07:45 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:50 (b) 10:50 (c) 09:50
19. 19.A film is 1 hour 30 minutes long. How many minutes is that?
20. 20.Write 6:30 a.m. in 24-hour time. (a) 18:30 (b) 08:30 (c) 06:30
21. 21.A film is 2 hours 25 minutes long. How many minutes is that?
22. 22.How many hours are there from 05:00 to 07:00?
23. 23.A train leaves at 09:55 and reaches at 11:50. How long is the journey (in minutes)?
24. 24.Write 7:25 p.m. in 24-hour time. (a) 19:25 (b) 21:25 (c) 07:25
25. 25.A film is 3 hours 5 minutes long. How many minutes is that?
26. 26.A train leaves at 17:45 and reaches at 20:45. How long is the journey (in minutes)?
27. 27.A train leaves at 13:10 and reaches at 14:30. How long is the journey (in minutes)?
28. 28.A match starts at 06:05 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:00 (b) 07:00 (c) 08:00
29. 29.A film is 2 hours 45 minutes long. How many minutes is that?
30. 30.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 4:35 p.m. (c) 6:35 p.m.
31. 31.A match starts at 13:30 and lasts 3 hours 10 minutes. At what time does it end? (a) 17:40 (b) 16:40 (c) 15:40
32. 32.A train leaves at 13:45 and reaches at 15:15. How long is the journey (in minutes)?
33. 33.Write 6:35 a.m. in 24-hour time. (a) 06:35 (b) 08:35 (c) 18:35
34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
35. 35.A match starts at 09:50 and lasts 4 hours 15 minutes. At what time does it end? (a) 15:05 (b) 13:05 (c) 14:05
36. 36.A film is 4 hours 55 minutes long. How many minutes is that?
37. 37.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
38. 38.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 19:35 (c) 07:35
39. 39.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 23:25 (c) 21:25
40. 40.A match starts at 16:00 and lasts 2 hours 25 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 19:25

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