Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 779 · 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 match starts at 09:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:40 (b) 11:40 (c) 10:40
2. 2.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 16:00 (c) 02:00
3. 3.A train leaves at 07:55 and reaches at 08:40. How long is the journey (in minutes)?
4. 4.What is 06:15 in 12-hour time? (a) 8:15 a.m. (b) 6:15 a.m. (c) 6:15 p.m.
5. 5.What is 18:25 in 12-hour time? (a) 8:25 p.m. (b) 6:25 p.m. (c) 6:25 a.m.
6. 6.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 02:35 (c) 14:35
7. 7.A train leaves at 10:20 and reaches at 10:50. How long is the journey (in minutes)?
8. 8.A film is 3 hours 10 minutes long. How many minutes is that?
9. 9.A film is 1 hour 10 minutes long. How many minutes is that?
10. 10.A match starts at 09:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 13:40 (b) 11:40 (c) 12:40
11. 11.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 12:55 (c) 10:55
12. 12.A film is 3 hours 40 minutes long. How many minutes is that?
13. 13.What is 15:00 in 12-hour time? (a) 5:00 p.m. (b) 3:00 a.m. (c) 3:00 p.m.
14. 14.A match starts at 06:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 07:50 (b) 08:50 (c) 06:50
15. 15.A train leaves at 19:45 and reaches at 21:05. How long is the journey (in minutes)?
16. 16.A match starts at 11:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 14:05
17. 17.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 10:05 (c) 08:05
18. 18.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 06:10 (c) 08:10
19. 19.A film is 2 hours 5 minutes long. How many minutes is that?
20. 20.Write 5:10 p.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 19:10
21. 21.What is 20:30 in 12-hour time? (a) 10:30 p.m. (b) 8:30 a.m. (c) 8:30 p.m.
22. 22.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 18:45 (c) 16:45
23. 23.A train leaves at 11:05 and reaches at 13:15. How long is the journey (in minutes)?
24. 24.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
25. 25.A film is 2 hours 40 minutes long. How many minutes is that?
26. 26.A film is 4 hours 25 minutes long. How many minutes is that?
27. 27.A film is 1 hour 30 minutes long. How many minutes is that?
28. 28.What is 03:25 in 12-hour time? (a) 3:25 a.m. (b) 5:25 a.m. (c) 3:25 p.m.
29. 29.A match starts at 07:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 11:05 (b) 10:05 (c) 09:05
30. 30.How many hours are there from 07:00 to 10:00?
31. 31.How many hours are there from 12:00 to 18:00?
32. 32.Write 9:30 p.m. in 24-hour time. (a) 09:30 (b) 21:30 (c) 23:30
33. 33.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
34. 34.A match starts at 16:10 and lasts 1 hour 40 minutes. At what time does it end? (a) 17:50 (b) 16:50 (c) 18:50
35. 35.A train leaves at 12:10 and reaches at 14:40. How long is the journey (in minutes)?
36. 36.A film is 1 hour 35 minutes long. How many minutes is that?
37. 37.A film is 4 hours 15 minutes long. How many minutes is that?
38. 38.Write 9:40 a.m. in 24-hour time. (a) 21:40 (b) 11:40 (c) 09:40
39. 39.Write 6:10 p.m. in 24-hour time. (a) 06:10 (b) 18:10 (c) 20:10
40. 40.A train leaves at 12:15 and reaches at 13:05. How long is the journey (in minutes)?

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