Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 663 · 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 p.m. in 24-hour time. (a) 01:55 (b) 23:55 (c) 11:55
2. 2.A film is 2 hours 30 minutes long. How many minutes is that?
3. 3.Write 6:10 p.m. in 24-hour time. (a) 18:10 (b) 20:10 (c) 06:10
4. 4.A train leaves at 15:00 and reaches at 18:00. How long is the journey (in minutes)?
5. 5.A train leaves at 17:10 and reaches at 20:15. How long is the journey (in minutes)?
6. 6.Write 2:45 p.m. in 24-hour time. (a) 14:45 (b) 02:45 (c) 16:45
7. 7.How many hours are there from 11:00 to 18:00?
8. 8.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 p.m. (c) 2:00 a.m.
9. 9.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 19:05 (c) 17:05
10. 10.A film is 4 hours 55 minutes long. How many minutes is that?
11. 11.A match starts at 10:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 15:15
12. 12.A film is 3 hours 20 minutes long. How many minutes is that?
13. 13.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
14. 14.How many hours are there from 07:00 to 21:00?
15. 15.How many hours are there from 06:00 to 18:00?
16. 16.A train leaves at 07:10 and reaches at 07:50. How long is the journey (in minutes)?
17. 17.A film is 3 hours 10 minutes long. How many minutes is that?
18. 18.A train leaves at 07:45 and reaches at 10:30. How long is the journey (in minutes)?
19. 19.A match starts at 13:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 19:05
20. 20.What is 11:05 in 12-hour time? (a) 1:05 a.m. (b) 11:05 p.m. (c) 11:05 a.m.
21. 21.A train leaves at 06:00 and reaches at 07:10. How long is the journey (in minutes)?
22. 22.A film is 3 hours 25 minutes long. How many minutes is that?
23. 23.How many hours are there from 07:00 to 13:00?
24. 24.A match starts at 16:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 20:35 (b) 22:35 (c) 21:35
25. 25.A train leaves at 09:05 and reaches at 11:10. How long is the journey (in minutes)?
26. 26.What is 21:50 in 12-hour time? (a) 11:50 p.m. (b) 9:50 a.m. (c) 9:50 p.m.
27. 27.A match starts at 12:50 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:35 (b) 14:35 (c) 13:35
28. 28.What is 03:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 a.m. (c) 3:30 p.m.
29. 29.A match starts at 09:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:25 (b) 09:25 (c) 10:25
30. 30.What is 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
31. 31.How many hours are there from 11:00 to 15:00?
32. 32.A match starts at 14:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:55 (b) 18:55 (c) 17:55
33. 33.What is 18:45 in 12-hour time? (a) 8:45 p.m. (b) 6:45 a.m. (c) 6:45 p.m.
34. 34.A film is 1 hour 25 minutes long. How many minutes is that?
35. 35.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 a.m.
36. 36.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 04:10 (c) 02:10
37. 37.How many hours are there from 12:00 to 23:00?
38. 38.What is 20:35 in 12-hour time? (a) 8:35 a.m. (b) 8:35 p.m. (c) 10:35 p.m.
39. 39.A train leaves at 07:35 and reaches at 09:05. How long is the journey (in minutes)?
40. 40.Write 5:00 a.m. in 24-hour time. (a) 17:00 (b) 05:00 (c) 07:00

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