Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 638 · 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 50 minutes long. How many minutes is that?
2. 2.Write 4:50 a.m. in 24-hour time. (a) 04:50 (b) 06:50 (c) 16:50
3. 3.A match starts at 18:40 and lasts 2 hours 55 minutes. At what time does it end? (a) 22:35 (b) 20:35 (c) 21:35
4. 4.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 15:20 (c) 01:20
5. 5.A train leaves at 17:45 and reaches at 19:45. How long is the journey (in minutes)?
6. 6.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 a.m. (c) 8:25 p.m.
7. 7.A train leaves at 13:45 and reaches at 14:50. How long is the journey (in minutes)?
8. 8.A film is 3 hours 20 minutes long. How many minutes is that?
9. 9.How many hours are there from 07:00 to 22:00?
10. 10.A train leaves at 12:20 and reaches at 12:50. How long is the journey (in minutes)?
11. 11.What is 15:15 in 12-hour time? (a) 3:15 p.m. (b) 5:15 p.m. (c) 3:15 a.m.
12. 12.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 09:10
13. 13.A film is 2 hours 50 minutes long. How many minutes is that?
14. 14.A match starts at 16:15 and lasts 3 hours 55 minutes. At what time does it end? (a) 20:10 (b) 21:10 (c) 19:10
15. 15.What is 19:05 in 12-hour time? (a) 9:05 p.m. (b) 7:05 p.m. (c) 7:05 a.m.
16. 16.How many hours are there from 09:00 to 22:00?
17. 17.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 p.m. (c) 6:10 a.m.
18. 18.What is 07:25 in 12-hour time? (a) 9:25 a.m. (b) 7:25 a.m. (c) 7:25 p.m.
19. 19.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 10:55
20. 20.A train leaves at 19:45 and reaches at 22:20. How long is the journey (in minutes)?
21. 21.How many hours are there from 05:00 to 07:00?
22. 22.A train leaves at 17:00 and reaches at 17:50. How long is the journey (in minutes)?
23. 23.Write 2:25 p.m. in 24-hour time. (a) 02:25 (b) 16:25 (c) 14:25
24. 24.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 p.m. (c) 1:55 a.m.
25. 25.A match starts at 16:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 18:30 (b) 20:30 (c) 19:30
26. 26.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 05:55 (c) 03:55
27. 27.A film is 4 hours 45 minutes long. How many minutes is that?
28. 28.A film is 3 hours 25 minutes long. How many minutes is that?
29. 29.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 a.m. (c) 8:55 p.m.
30. 30.Write 6:20 p.m. in 24-hour time. (a) 06:20 (b) 20:20 (c) 18:20
31. 31.A match starts at 10:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 10:50 (b) 12:50 (c) 11:50
32. 32.How many hours are there from 11:00 to 13:00?
33. 33.How many hours are there from 08:00 to 22:00?
34. 34.How many hours are there from 05:00 to 18:00?
35. 35.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 p.m. (c) 4:35 a.m.
36. 36.How many hours are there from 11:00 to 20:00?
37. 37.Write 10:15 a.m. in 24-hour time. (a) 12:15 (b) 22:15 (c) 10:15
38. 38.A match starts at 18:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 23:00
39. 39.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 03:50 (c) 15:50
40. 40.How many hours are there from 10:00 to 14:00?

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