Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 123 · 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 07:25 and lasts 4 hours 25 minutes. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
2. 2.A match starts at 07:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
3. 3.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 8:50 a.m. (c) 10:50 a.m.
4. 4.How many hours are there from 07:00 to 11:00?
5. 5.A film is 2 hours 50 minutes long. How many minutes is that?
6. 6.What is 17:25 in 12-hour time? (a) 7:25 p.m. (b) 5:25 a.m. (c) 5:25 p.m.
7. 7.Write 10:35 p.m. in 24-hour time. (a) 22:35 (b) 00:35 (c) 10:35
8. 8.A match starts at 17:25 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:55 (b) 19:55 (c) 20:55
9. 9.What is 04:00 in 12-hour time? (a) 4:00 a.m. (b) 6:00 a.m. (c) 4:00 p.m.
10. 10.A match starts at 18:40 and lasts 3 hours 20 minutes. At what time does it end? (a) 22:00 (b) 23:00 (c) 21:00
11. 11.How many hours are there from 06:00 to 22:00?
12. 12.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 10:50 (c) 08:50
13. 13.Write 7:10 p.m. in 24-hour time. (a) 21:10 (b) 19:10 (c) 07:10
14. 14.A match starts at 15:25 and lasts 2 hours. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
15. 15.A match starts at 09:40 and lasts 4 hours 30 minutes. At what time does it end? (a) 13:10 (b) 15:10 (c) 14:10
16. 16.Write 6:45 a.m. in 24-hour time. (a) 18:45 (b) 06:45 (c) 08:45
17. 17.A match starts at 09:45 and lasts 4 hours 15 minutes. At what time does it end? (a) 15:00 (b) 13:00 (c) 14:00
18. 18.How many hours are there from 07:00 to 15:00?
19. 19.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 a.m.
20. 20.What is 02:20 in 12-hour time? (a) 2:20 a.m. (b) 4:20 a.m. (c) 2:20 p.m.
21. 21.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
22. 22.A train leaves at 17:45 and reaches at 21:05. How long is the journey (in minutes)?
23. 23.Write 11:50 p.m. in 24-hour time. (a) 01:50 (b) 11:50 (c) 23:50
24. 24.A train leaves at 11:25 and reaches at 12:55. How long is the journey (in minutes)?
25. 25.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
26. 26.How many hours are there from 05:00 to 08:00?
27. 27.A train leaves at 11:00 and reaches at 11:40. How long is the journey (in minutes)?
28. 28.A train leaves at 07:00 and reaches at 10:05. How long is the journey (in minutes)?
29. 29.A match starts at 08:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 10:40 (b) 11:40 (c) 12:40
30. 30.A match starts at 10:35 and lasts 3 hours 25 minutes. At what time does it end? (a) 13:00 (b) 14:00 (c) 15:00
31. 31.A film is 4 hours 45 minutes long. How many minutes is that?
32. 32.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 15:15
33. 33.Write 8:05 p.m. in 24-hour time. (a) 22:05 (b) 08:05 (c) 20:05
34. 34.A train leaves at 11:35 and reaches at 12:55. How long is the journey (in minutes)?
35. 35.A film is 3 hours 35 minutes long. How many minutes is that?
36. 36.Write 9:05 p.m. in 24-hour time. (a) 23:05 (b) 09:05 (c) 21:05
37. 37.How many hours are there from 10:00 to 21:00?
38. 38.How many hours are there from 10:00 to 14:00?
39. 39.A train leaves at 15:35 and reaches at 18:00. How long is the journey (in minutes)?
40. 40.A film is 3 hours 10 minutes long. How many minutes is that?

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