Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 261 · 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 15:25 and reaches at 17:25. How long is the journey (in minutes)?
2. 2.Write 6:15 a.m. in 24-hour time. (a) 08:15 (b) 18:15 (c) 06:15
3. 3.Write 3:25 p.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 17:25
4. 4.A film is 2 hours 35 minutes long. How many minutes is that?
5. 5.A film is 3 hours 25 minutes long. How many minutes is that?
6. 6.A train leaves at 18:30 and reaches at 20:50. How long is the journey (in minutes)?
7. 7.Write 3:45 p.m. in 24-hour time. (a) 15:45 (b) 17:45 (c) 03:45
8. 8.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 22:15 (c) 10:15
9. 9.How many hours are there from 06:00 to 23:00?
10. 10.What is 11:30 in 12-hour time? (a) 1:30 a.m. (b) 11:30 p.m. (c) 11:30 a.m.
11. 11.What is 19:55 in 12-hour time? (a) 9:55 p.m. (b) 7:55 p.m. (c) 7:55 a.m.
12. 12.How many hours are there from 09:00 to 20:00?
13. 13.A film is 1 hour 45 minutes long. How many minutes is that?
14. 14.A film is 3 hours 30 minutes long. How many minutes is that?
15. 15.A match starts at 16:40 and lasts 2 hours 35 minutes. At what time does it end? (a) 20:15 (b) 19:15 (c) 18:15
16. 16.What is 04:45 in 12-hour time? (a) 6:45 a.m. (b) 4:45 a.m. (c) 4:45 p.m.
17. 17.A match starts at 14:00 and lasts 1 hour 20 minutes. At what time does it end? (a) 16:20 (b) 14:20 (c) 15:20
18. 18.A train leaves at 06:00 and reaches at 06:50. How long is the journey (in minutes)?
19. 19.What is 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 a.m. (c) 7:50 p.m.
20. 20.A train leaves at 15:40 and reaches at 17:50. How long is the journey (in minutes)?
21. 21.What is 11:50 in 12-hour time? (a) 1:50 a.m. (b) 11:50 p.m. (c) 11:50 a.m.
22. 22.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
23. 23.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 1:10 a.m. (c) 3:10 a.m.
24. 24.A match starts at 17:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 18:25 (b) 19:25 (c) 20:25
25. 25.Write 11:05 p.m. in 24-hour time. (a) 11:05 (b) 23:05 (c) 01:05
26. 26.Write 2:25 a.m. in 24-hour time. (a) 14:25 (b) 04:25 (c) 02:25
27. 27.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 03:50 (c) 13:50
28. 28.A train leaves at 07:25 and reaches at 09:00. How long is the journey (in minutes)?
29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
30. 30.A train leaves at 14:40 and reaches at 16:15. How long is the journey (in minutes)?
31. 31.A train leaves at 18:45 and reaches at 19:50. How long is the journey (in minutes)?
32. 32.What is 14:55 in 12-hour time? (a) 2:55 a.m. (b) 2:55 p.m. (c) 4:55 p.m.
33. 33.A film is 3 hours 50 minutes long. How many minutes is that?
34. 34.A film is 2 hours 15 minutes long. How many minutes is that?
35. 35.How many hours are there from 08:00 to 14:00?
36. 36.How many hours are there from 10:00 to 12:00?
37. 37.What is 22:25 in 12-hour time? (a) 10:25 p.m. (b) 12:25 p.m. (c) 10:25 a.m.
38. 38.A film is 4 hours 30 minutes long. How many minutes is that?
39. 39.What is 09:25 in 12-hour time? (a) 9:25 p.m. (b) 9:25 a.m. (c) 11:25 a.m.
40. 40.How many hours are there from 07:00 to 13:00?

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