Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 48 · 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 3:20 p.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 17:20
2. 2.A train leaves at 19:40 and reaches at 20:05. How long is the journey (in minutes)?
3. 3.How many hours are there from 09:00 to 21:00?
4. 4.A film is 2 hours 45 minutes long. How many minutes is that?
5. 5.How many hours are there from 07:00 to 21:00?
6. 6.A match starts at 10:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:35 (b) 12:35 (c) 13:35
7. 7.A film is 1 hour 30 minutes long. How many minutes is that?
8. 8.How many hours are there from 07:00 to 23:00?
9. 9.Write 3:55 a.m. in 24-hour time. (a) 03:55 (b) 05:55 (c) 15:55
10. 10.What is 17:20 in 12-hour time? (a) 5:20 a.m. (b) 5:20 p.m. (c) 7:20 p.m.
11. 11.A match starts at 09:05 and lasts 4 hours 55 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 13:00
12. 12.A match starts at 12:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15
13. 13.A match starts at 08:55 and lasts 2 hours 30 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 10:25
14. 14.A film is 2 hours 35 minutes long. How many minutes is that?
15. 15.A match starts at 11:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:40 (b) 13:40 (c) 11:40
16. 16.A train leaves at 17:00 and reaches at 20:15. How long is the journey (in minutes)?
17. 17.A film is 4 hours 10 minutes long. How many minutes is that?
18. 18.A train leaves at 13:10 and reaches at 15:15. How long is the journey (in minutes)?
19. 19.What is 10:25 in 12-hour time? (a) 10:25 a.m. (b) 12:25 a.m. (c) 10:25 p.m.
20. 20.What is 14:00 in 12-hour time? (a) 4:00 p.m. (b) 2:00 a.m. (c) 2:00 p.m.
21. 21.What is 15:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 p.m. (c) 3:45 p.m.
22. 22.A match starts at 14:30 and lasts 1 hour 55 minutes. At what time does it end? (a) 15:25 (b) 16:25 (c) 17:25
23. 23.A film is 3 hours 5 minutes long. How many minutes is that?
24. 24.A match starts at 11:00 and lasts 3 hours 55 minutes. At what time does it end? (a) 13:55 (b) 15:55 (c) 14:55
25. 25.Write 10:00 p.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 00:00
26. 26.A train leaves at 14:30 and reaches at 15:00. How long is the journey (in minutes)?
27. 27.Write 5:45 a.m. in 24-hour time. (a) 05:45 (b) 07:45 (c) 17:45
28. 28.What is 03:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 a.m. (c) 3:35 p.m.
29. 29.How many hours are there from 08:00 to 16:00?
30. 30.A train leaves at 09:50 and reaches at 11:15. How long is the journey (in minutes)?
31. 31.Write 7:00 a.m. in 24-hour time. (a) 09:00 (b) 07:00 (c) 19:00
32. 32.A match starts at 09:30 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 12:10
33. 33.A train leaves at 12:40 and reaches at 14:15. How long is the journey (in minutes)?
34. 34.What is 14:15 in 12-hour time? (a) 4:15 p.m. (b) 2:15 p.m. (c) 2:15 a.m.
35. 35.A film is 3 hours 55 minutes long. How many minutes is that?
36. 36.How many hours are there from 08:00 to 20:00?
37. 37.What is 07:30 in 12-hour time? (a) 7:30 p.m. (b) 7:30 a.m. (c) 9:30 a.m.
38. 38.Write 11:15 p.m. in 24-hour time. (a) 23:15 (b) 11:15 (c) 01:15
39. 39.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 p.m.
40. 40.A match starts at 07:00 and lasts 1 hour 30 minutes. At what time does it end? (a) 08:30 (b) 09:30 (c) 07:30

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