Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 278 · 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 match starts at 09:05 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 11:20
2. 2.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
3. 3.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 04:25 (c) 14:25
4. 4.What is 08:25 in 12-hour time? (a) 8:25 p.m. (b) 8:25 a.m. (c) 10:25 a.m.
5. 5.A film is 1 hour 5 minutes long. How many minutes is that?
6. 6.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 01:10 (c) 03:10
7. 7.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 01:55 (c) 03:55
8. 8.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
9. 9.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 p.m. (c) 10:55 a.m.
10. 10.How many hours are there from 05:00 to 21:00?
11. 11.A film is 4 hours 30 minutes long. How many minutes is that?
12. 12.How many hours are there from 06:00 to 16:00?
13. 13.A match starts at 13:25 and lasts 3 hours 45 minutes. At what time does it end? (a) 18:10 (b) 16:10 (c) 17:10
14. 14.Write 8:30 a.m. in 24-hour time. (a) 10:30 (b) 08:30 (c) 20:30
15. 15.A train leaves at 07:25 and reaches at 09:45. How long is the journey (in minutes)?
16. 16.A film is 1 hour 45 minutes long. How many minutes is that?
17. 17.A match starts at 18:10 and lasts 2 hours 55 minutes. At what time does it end? (a) 22:05 (b) 21:05 (c) 20:05
18. 18.A train leaves at 10:55 and reaches at 14:10. How long is the journey (in minutes)?
19. 19.A film is 4 hours 5 minutes long. How many minutes is that?
20. 20.How many hours are there from 11:00 to 23:00?
21. 21.A film is 1 hour 15 minutes long. How many minutes is that?
22. 22.Write 3:55 p.m. in 24-hour time. (a) 03:55 (b) 17:55 (c) 15:55
23. 23.A train leaves at 16:10 and reaches at 18:35. How long is the journey (in minutes)?
24. 24.A match starts at 10:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 14:20
25. 25.A train leaves at 18:35 and reaches at 19:00. How long is the journey (in minutes)?
26. 26.How many hours are there from 08:00 to 11:00?
27. 27.A film is 2 hours 50 minutes long. How many minutes is that?
28. 28.What is 06:20 in 12-hour time? (a) 6:20 a.m. (b) 6:20 p.m. (c) 8:20 a.m.
29. 29.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
30. 30.How many hours are there from 10:00 to 19:00?
31. 31.A train leaves at 19:40 and reaches at 21:00. How long is the journey (in minutes)?
32. 32.What is 14:00 in 12-hour time? (a) 2:00 a.m. (b) 2:00 p.m. (c) 4:00 p.m.
33. 33.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 01:15 (c) 15:15
34. 34.How many hours are there from 05:00 to 09:00?
35. 35.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 08:15 (c) 10:15
36. 36.How many hours are there from 05:00 to 12:00?
37. 37.A train leaves at 07:25 and reaches at 09:10. How long is the journey (in minutes)?
38. 38.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 a.m. (c) 11:05 p.m.
39. 39.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 p.m. (c) 9:00 a.m.
40. 40.How many hours are there from 10:00 to 23:00?

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