Class 4 Maths Worksheet: 24-Hour Clock

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

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