Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 860 · 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.How many hours are there from 11:00 to 13:00?
2. 2.A film is 4 hours 30 minutes long. How many minutes is that?
3. 3.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
4. 4.Write 11:55 a.m. in 24-hour time. (a) 11:55 (b) 23:55 (c) 13:55
5. 5.A match starts at 12:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 14:25
6. 6.A train leaves at 16:10 and reaches at 17:35. How long is the journey (in minutes)?
7. 7.How many hours are there from 07:00 to 22:00?
8. 8.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 13:15 (c) 01:15
9. 9.How many hours are there from 08:00 to 15:00?
10. 10.A train leaves at 06:15 and reaches at 07:50. How long is the journey (in minutes)?
11. 11.What is 03:55 in 12-hour time? (a) 5:55 a.m. (b) 3:55 a.m. (c) 3:55 p.m.
12. 12.A film is 2 hours 10 minutes long. How many minutes is that?
13. 13.What is 14:10 in 12-hour time? (a) 4:10 p.m. (b) 2:10 a.m. (c) 2:10 p.m.
14. 14.How many hours are there from 06:00 to 08:00?
15. 15.How many hours are there from 06:00 to 19:00?
16. 16.A train leaves at 10:25 and reaches at 11:00. How long is the journey (in minutes)?
17. 17.Write 3:20 a.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 05:20
18. 18.Write 3:50 a.m. in 24-hour time. (a) 15:50 (b) 03:50 (c) 05:50
19. 19.Write 8:10 a.m. in 24-hour time. (a) 10:10 (b) 08:10 (c) 20:10
20. 20.How many hours are there from 11:00 to 15:00?
21. 21.What is 19:15 in 12-hour time? (a) 9:15 p.m. (b) 7:15 a.m. (c) 7:15 p.m.
22. 22.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 19:30 (c) 21:30
23. 23.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 01:20 (c) 15:20
24. 24.Write 4:15 a.m. in 24-hour time. (a) 04:15 (b) 06:15 (c) 16:15
25. 25.Write 5:25 p.m. in 24-hour time. (a) 17:25 (b) 05:25 (c) 19:25
26. 26.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 p.m. (c) 11:10 a.m.
27. 27.A train leaves at 18:50 and reaches at 22:10. How long is the journey (in minutes)?
28. 28.Write 1:40 p.m. in 24-hour time. (a) 01:40 (b) 15:40 (c) 13:40
29. 29.A film is 3 hours 55 minutes long. How many minutes is that?
30. 30.What is 03:00 in 12-hour time? (a) 3:00 a.m. (b) 5:00 a.m. (c) 3:00 p.m.
31. 31.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
32. 32.A train leaves at 19:55 and reaches at 20:35. How long is the journey (in minutes)?
33. 33.Write 11:00 a.m. in 24-hour time. (a) 23:00 (b) 11:00 (c) 13:00
34. 34.How many hours are there from 07:00 to 13:00?
35. 35.A match starts at 09:40 and lasts 4 hours 25 minutes. At what time does it end? (a) 15:05 (b) 13:05 (c) 14:05
36. 36.What is 09:40 in 12-hour time? (a) 9:40 a.m. (b) 9:40 p.m. (c) 11:40 a.m.
37. 37.A match starts at 11:05 and lasts 3 hours 5 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 15:10
38. 38.What is 16:15 in 12-hour time? (a) 6:15 p.m. (b) 4:15 p.m. (c) 4:15 a.m.
39. 39.Write 2:00 p.m. in 24-hour time. (a) 16:00 (b) 02:00 (c) 14:00
40. 40.A train leaves at 06:15 and reaches at 09:20. How long is the journey (in minutes)?

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