Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 591 · 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 2 hours 55 minutes long. How many minutes is that?
2. 2.How many hours are there from 10:00 to 16:00?
3. 3.Write 2:20 p.m. in 24-hour time. (a) 16:20 (b) 14:20 (c) 02:20
4. 4.What is 05:45 in 12-hour time? (a) 5:45 p.m. (b) 7:45 a.m. (c) 5:45 a.m.
5. 5.A train leaves at 07:15 and reaches at 09:40. How long is the journey (in minutes)?
6. 6.A train leaves at 15:40 and reaches at 18:45. How long is the journey (in minutes)?
7. 7.How many hours are there from 09:00 to 17:00?
8. 8.Write 10:30 p.m. in 24-hour time. (a) 00:30 (b) 10:30 (c) 22:30
9. 9.A match starts at 09:05 and lasts 3 hours 25 minutes. At what time does it end? (a) 11:30 (b) 13:30 (c) 12:30
10. 10.A film is 3 hours 10 minutes long. How many minutes is that?
11. 11.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 p.m. (c) 3:05 p.m.
12. 12.Write 2:10 p.m. in 24-hour time. (a) 02:10 (b) 16:10 (c) 14:10
13. 13.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 9:40 p.m. (c) 7:40 p.m.
14. 14.A train leaves at 15:50 and reaches at 17:20. How long is the journey (in minutes)?
15. 15.What is 23:25 in 12-hour time? (a) 11:25 a.m. (b) 1:25 p.m. (c) 11:25 p.m.
16. 16.A train leaves at 14:40 and reaches at 16:50. How long is the journey (in minutes)?
17. 17.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 01:10 (c) 03:10
18. 18.What is 16:00 in 12-hour time? (a) 4:00 p.m. (b) 6:00 p.m. (c) 4:00 a.m.
19. 19.A match starts at 08:30 and lasts 3 hours 30 minutes. At what time does it end? (a) 11:00 (b) 12:00 (c) 13:00
20. 20.A match starts at 13:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
21. 21.What is 02:30 in 12-hour time? (a) 2:30 p.m. (b) 4:30 a.m. (c) 2:30 a.m.
22. 22.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 03:05 (c) 01:05
23. 23.How many hours are there from 10:00 to 21:00?
24. 24.How many hours are there from 09:00 to 18:00?
25. 25.How many hours are there from 08:00 to 17:00?
26. 26.A film is 1 hour 55 minutes long. How many minutes is that?
27. 27.How many hours are there from 10:00 to 15:00?
28. 28.A match starts at 06:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:30 (b) 08:30 (c) 09:30
29. 29.How many hours are there from 11:00 to 19:00?
30. 30.A film is 1 hour 45 minutes long. How many minutes is that?
31. 31.A match starts at 18:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 18:15 (b) 20:15 (c) 19:15
32. 32.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 01:35 (c) 13:35
33. 33.A film is 1 hour 20 minutes long. How many minutes is that?
34. 34.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 17:05 (c) 15:05
35. 35.A match starts at 14:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 15:25 (b) 17:25 (c) 16:25
36. 36.A train leaves at 08:30 and reaches at 10:35. How long is the journey (in minutes)?
37. 37.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 16:15
38. 38.How many hours are there from 12:00 to 23:00?
39. 39.A train leaves at 14:20 and reaches at 17:20. How long is the journey (in minutes)?
40. 40.How many hours are there from 05:00 to 20:00?

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