Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 73 · 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.Write 11:55 a.m. in 24-hour time. (a) 13:55 (b) 23:55 (c) 11:55
2. 2.A train leaves at 11:10 and reaches at 11:40. How long is the journey (in minutes)?
3. 3.Write 9:05 p.m. in 24-hour time. (a) 21:05 (b) 09:05 (c) 23:05
4. 4.Write 7:30 p.m. in 24-hour time. (a) 21:30 (b) 07:30 (c) 19:30
5. 5.A train leaves at 08:00 and reaches at 09:15. How long is the journey (in minutes)?
6. 6.A match starts at 10:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
7. 7.What is 23:15 in 12-hour time? (a) 11:15 a.m. (b) 1:15 p.m. (c) 11:15 p.m.
8. 8.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
9. 9.Write 11:50 p.m. in 24-hour time. (a) 01:50 (b) 23:50 (c) 11:50
10. 10.A match starts at 07:25 and lasts 2 hours. At what time does it end? (a) 08:25 (b) 09:25 (c) 10:25
11. 11.Write 6:15 a.m. in 24-hour time. (a) 08:15 (b) 18:15 (c) 06:15
12. 12.A match starts at 06:30 and lasts 2 hours. At what time does it end? (a) 07:30 (b) 09:30 (c) 08:30
13. 13.Write 3:45 p.m. in 24-hour time. (a) 15:45 (b) 03:45 (c) 17:45
14. 14.What is 18:40 in 12-hour time? (a) 8:40 p.m. (b) 6:40 p.m. (c) 6:40 a.m.
15. 15.A train leaves at 10:25 and reaches at 13:30. How long is the journey (in minutes)?
16. 16.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 20:20 (c) 08:20
17. 17.A match starts at 07:30 and lasts 3 hours 10 minutes. At what time does it end? (a) 09:40 (b) 10:40 (c) 11:40
18. 18.A match starts at 08:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 12:30 (b) 10:30 (c) 11:30
19. 19.How many hours are there from 08:00 to 18:00?
20. 20.How many hours are there from 07:00 to 14:00?
21. 21.What is 23:05 in 12-hour time? (a) 11:05 a.m. (b) 1:05 p.m. (c) 11:05 p.m.
22. 22.A film is 1 hour 55 minutes long. How many minutes is that?
23. 23.A match starts at 07:00 and lasts 4 hours 25 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 12:25
24. 24.A film is 3 hours 20 minutes long. How many minutes is that?
25. 25.A train leaves at 18:15 and reaches at 20:30. How long is the journey (in minutes)?
26. 26.Write 6:10 a.m. in 24-hour time. (a) 18:10 (b) 06:10 (c) 08:10
27. 27.How many hours are there from 08:00 to 17:00?
28. 28.A train leaves at 15:50 and reaches at 18:15. How long is the journey (in minutes)?
29. 29.A match starts at 18:55 and lasts 3 hours 40 minutes. At what time does it end? (a) 23:35 (b) 22:35 (c) 21:35
30. 30.What is 05:25 in 12-hour time? (a) 5:25 p.m. (b) 5:25 a.m. (c) 7:25 a.m.
31. 31.A train leaves at 07:10 and reaches at 08:05. How long is the journey (in minutes)?
32. 32.A film is 1 hour 35 minutes long. How many minutes is that?
33. 33.A match starts at 16:55 and lasts 1 hour 30 minutes. At what time does it end? (a) 18:25 (b) 19:25 (c) 17:25
34. 34.A film is 1 hour 25 minutes long. How many minutes is that?
35. 35.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 p.m. (c) 10:55 a.m.
36. 36.What is 04:30 in 12-hour time? (a) 6:30 a.m. (b) 4:30 p.m. (c) 4:30 a.m.
37. 37.A train leaves at 06:45 and reaches at 09:10. How long is the journey (in minutes)?
38. 38.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 03:20 (c) 15:20
39. 39.What is 06:35 in 12-hour time? (a) 6:35 a.m. (b) 8:35 a.m. (c) 6:35 p.m.
40. 40.A match starts at 06:05 and lasts 1 hour 15 minutes. At what time does it end? (a) 06:20 (b) 08:20 (c) 07:20

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