Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 944 · 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 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
2. 2.A train leaves at 19:20 and reaches at 21:50. How long is the journey (in minutes)?
3. 3.A train leaves at 19:25 and reaches at 21:10. How long is the journey (in minutes)?
4. 4.How many hours are there from 09:00 to 17:00?
5. 5.How many hours are there from 10:00 to 12:00?
6. 6.A train leaves at 19:50 and reaches at 22:05. How long is the journey (in minutes)?
7. 7.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 11:10 (c) 09:10
8. 8.Write 1:05 a.m. in 24-hour time. (a) 03:05 (b) 01:05 (c) 13:05
9. 9.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 10:55
10. 10.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 15:05 (c) 03:05
11. 11.Write 5:50 p.m. in 24-hour time. (a) 19:50 (b) 17:50 (c) 05:50
12. 12.A film is 1 hour 45 minutes long. How many minutes is that?
13. 13.A match starts at 16:00 and lasts 1 hour 20 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20
14. 14.A train leaves at 06:00 and reaches at 08:10. How long is the journey (in minutes)?
15. 15.A match starts at 13:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 16:00 (b) 14:00 (c) 15:00
16. 16.How many hours are there from 10:00 to 23:00?
17. 17.Write 6:20 a.m. in 24-hour time. (a) 18:20 (b) 08:20 (c) 06:20
18. 18.A train leaves at 09:30 and reaches at 11:05. How long is the journey (in minutes)?
19. 19.How many hours are there from 06:00 to 12:00?
20. 20.A film is 1 hour 15 minutes long. How many minutes is that?
21. 21.A film is 3 hours 25 minutes long. How many minutes is that?
22. 22.Write 5:40 a.m. in 24-hour time. (a) 17:40 (b) 07:40 (c) 05:40
23. 23.How many hours are there from 05:00 to 17:00?
24. 24.A match starts at 12:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 17:45 (b) 15:45 (c) 16:45
25. 25.A film is 4 hours 25 minutes long. How many minutes is that?
26. 26.A match starts at 15:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 18:55 (b) 17:55 (c) 19:55
27. 27.A match starts at 15:30 and lasts 2 hours 35 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 17:05
28. 28.A match starts at 08:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:10 (b) 09:10 (c) 11:10
29. 29.What is 17:40 in 12-hour time? (a) 7:40 p.m. (b) 5:40 a.m. (c) 5:40 p.m.
30. 30.How many hours are there from 08:00 to 12:00?
31. 31.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 p.m. (c) 2:40 p.m.
32. 32.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 p.m. (c) 4:15 a.m.
33. 33.A match starts at 09:55 and lasts 3 hours 50 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 14:45
34. 34.How many hours are there from 10:00 to 17:00?
35. 35.A film is 1 hour 30 minutes long. How many minutes is that?
36. 36.A match starts at 15:05 and lasts 1 hour. At what time does it end? (a) 15:05 (b) 17:05 (c) 16:05
37. 37.What is 23:40 in 12-hour time? (a) 11:40 p.m. (b) 11:40 a.m. (c) 1:40 p.m.
38. 38.A match starts at 12:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 13:50 (b) 12:50 (c) 14:50
39. 39.Write 9:35 p.m. in 24-hour time. (a) 09:35 (b) 23:35 (c) 21:35
40. 40.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 01:15 (c) 13:15

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