Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 442 · 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 train leaves at 07:35 and reaches at 09:50. How long is the journey (in minutes)?
2. 2.Write 4:10 p.m. in 24-hour time. (a) 18:10 (b) 04:10 (c) 16:10
3. 3.A match starts at 07:20 and lasts 4 hours 10 minutes. At what time does it end? (a) 12:30 (b) 11:30 (c) 10:30
4. 4.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 03:35 (c) 15:35
5. 5.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 a.m. (c) 6:00 p.m.
6. 6.A train leaves at 10:20 and reaches at 13:05. How long is the journey (in minutes)?
7. 7.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
8. 8.How many hours are there from 11:00 to 20:00?
9. 9.Write 5:30 a.m. in 24-hour time. (a) 17:30 (b) 05:30 (c) 07:30
10. 10.A film is 1 hour 15 minutes long. How many minutes is that?
11. 11.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 22:30 (c) 12:30
12. 12.A train leaves at 06:40 and reaches at 10:00. How long is the journey (in minutes)?
13. 13.What is 02:20 in 12-hour time? (a) 4:20 a.m. (b) 2:20 p.m. (c) 2:20 a.m.
14. 14.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 00:15
15. 15.What is 20:15 in 12-hour time? (a) 8:15 a.m. (b) 10:15 p.m. (c) 8:15 p.m.
16. 16.A film is 1 hour 20 minutes long. How many minutes is that?
17. 17.How many hours are there from 10:00 to 14:00?
18. 18.A match starts at 18:30 and lasts 1 hour 35 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05
19. 19.A match starts at 06:35 and lasts 2 hours 45 minutes. At what time does it end? (a) 09:20 (b) 08:20 (c) 10:20
20. 20.A film is 2 hours 10 minutes long. How many minutes is that?
21. 21.A match starts at 17:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
22. 22.How many hours are there from 08:00 to 23:00?
23. 23.A film is 4 hours 45 minutes long. How many minutes is that?
24. 24.Write 11:30 p.m. in 24-hour time. (a) 23:30 (b) 01:30 (c) 11:30
25. 25.A train leaves at 12:55 and reaches at 14:35. How long is the journey (in minutes)?
26. 26.A train leaves at 11:00 and reaches at 11:45. How long is the journey (in minutes)?
27. 27.A film is 4 hours 5 minutes long. How many minutes is that?
28. 28.A film is 1 hour 5 minutes long. How many minutes is that?
29. 29.A train leaves at 07:20 and reaches at 09:40. How long is the journey (in minutes)?
30. 30.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
31. 31.A train leaves at 16:45 and reaches at 17:35. How long is the journey (in minutes)?
32. 32.A film is 2 hours 50 minutes long. How many minutes is that?
33. 33.How many hours are there from 09:00 to 17:00?
34. 34.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 23:05 (c) 11:05
35. 35.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 a.m. (c) 11:45 p.m.
36. 36.A film is 3 hours 35 minutes long. How many minutes is that?
37. 37.A match starts at 08:00 and lasts 4 hours 55 minutes. At what time does it end? (a) 12:55 (b) 11:55 (c) 13:55
38. 38.A film is 3 hours 5 minutes long. How many minutes is that?
39. 39.How many hours are there from 08:00 to 14:00?
40. 40.A film is 4 hours 30 minutes long. How many minutes is that?

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