Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 660 · 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.A film is 1 hour 5 minutes long. How many minutes is that?
3. 3.A train leaves at 13:10 and reaches at 15:55. How long is the journey (in minutes)?
4. 4.Write 4:10 a.m. in 24-hour time. (a) 06:10 (b) 16:10 (c) 04:10
5. 5.How many hours are there from 05:00 to 10:00?
6. 6.A film is 2 hours 50 minutes long. How many minutes is that?
7. 7.A train leaves at 17:50 and reaches at 18:45. How long is the journey (in minutes)?
8. 8.What is 11:55 in 12-hour time? (a) 11:55 a.m. (b) 1:55 a.m. (c) 11:55 p.m.
9. 9.A train leaves at 08:30 and reaches at 09:10. How long is the journey (in minutes)?
10. 10.How many hours are there from 06:00 to 17:00?
11. 11.What is 02:35 in 12-hour time? (a) 2:35 a.m. (b) 2:35 p.m. (c) 4:35 a.m.
12. 12.Write 4:20 a.m. in 24-hour time. (a) 06:20 (b) 04:20 (c) 16:20
13. 13.A train leaves at 09:05 and reaches at 09:40. How long is the journey (in minutes)?
14. 14.A match starts at 08:25 and lasts 2 hours. At what time does it end? (a) 10:25 (b) 11:25 (c) 09:25
15. 15.How many hours are there from 08:00 to 15:00?
16. 16.How many hours are there from 05:00 to 09:00?
17. 17.A match starts at 09:00 and lasts 1 hour. At what time does it end? (a) 11:00 (b) 10:00 (c) 09:00
18. 18.A match starts at 09:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 13:20 (b) 14:20 (c) 12:20
19. 19.A film is 3 hours 35 minutes long. How many minutes is that?
20. 20.How many hours are there from 11:00 to 21:00?
21. 21.A match starts at 15:20 and lasts 4 hours 15 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 20:35
22. 22.Write 4:55 p.m. in 24-hour time. (a) 18:55 (b) 04:55 (c) 16:55
23. 23.A film is 4 hours 5 minutes long. How many minutes is that?
24. 24.A match starts at 17:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:25 (b) 19:25 (c) 18:25
25. 25.A film is 2 hours 10 minutes long. How many minutes is that?
26. 26.A film is 2 hours 5 minutes long. How many minutes is that?
27. 27.Write 5:50 a.m. in 24-hour time. (a) 17:50 (b) 07:50 (c) 05:50
28. 28.How many hours are there from 10:00 to 16:00?
29. 29.A train leaves at 09:15 and reaches at 12:25. How long is the journey (in minutes)?
30. 30.A train leaves at 09:55 and reaches at 12:40. How long is the journey (in minutes)?
31. 31.A train leaves at 13:40 and reaches at 15:50. How long is the journey (in minutes)?
32. 32.What is 07:10 in 12-hour time? (a) 9:10 a.m. (b) 7:10 a.m. (c) 7:10 p.m.
33. 33.How many hours are there from 05:00 to 13:00?
34. 34.How many hours are there from 05:00 to 21:00?
35. 35.What is 05:45 in 12-hour time? (a) 5:45 p.m. (b) 7:45 a.m. (c) 5:45 a.m.
36. 36.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 p.m. (c) 8:05 p.m.
37. 37.What is 17:50 in 12-hour time? (a) 7:50 p.m. (b) 5:50 a.m. (c) 5:50 p.m.
38. 38.What is 18:20 in 12-hour time? (a) 6:20 a.m. (b) 6:20 p.m. (c) 8:20 p.m.
39. 39.Write 3:25 a.m. in 24-hour time. (a) 03:25 (b) 05:25 (c) 15:25
40. 40.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 22:50 (c) 10:50

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