Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 211 · 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 1:35 p.m. in 24-hour time. (a) 13:35 (b) 15:35 (c) 01:35
2. 2.A match starts at 18:45 and lasts 4 hours 50 minutes. At what time does it end? (a) 00:35 (b) 22:35 (c) 23:35
3. 3.How many hours are there from 12:00 to 14:00?
4. 4.A film is 1 hour 50 minutes long. How many minutes is that?
5. 5.Write 7:45 a.m. in 24-hour time. (a) 09:45 (b) 07:45 (c) 19:45
6. 6.How many hours are there from 12:00 to 23:00?
7. 7.A match starts at 15:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:35 (b) 19:35 (c) 18:35
8. 8.How many hours are there from 10:00 to 21:00?
9. 9.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
10. 10.What is 13:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 p.m. (c) 1:00 p.m.
11. 11.A match starts at 11:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:55 (b) 13:55 (c) 12:55
12. 12.What is 11:05 in 12-hour time? (a) 1:05 a.m. (b) 11:05 a.m. (c) 11:05 p.m.
13. 13.Write 5:35 p.m. in 24-hour time. (a) 05:35 (b) 19:35 (c) 17:35
14. 14.A film is 3 hours 55 minutes long. How many minutes is that?
15. 15.What is 08:55 in 12-hour time? (a) 8:55 p.m. (b) 10:55 a.m. (c) 8:55 a.m.
16. 16.A train leaves at 10:10 and reaches at 13:20. How long is the journey (in minutes)?
17. 17.Write 3:00 a.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 05:00
18. 18.A film is 4 hours 55 minutes long. How many minutes is that?
19. 19.Write 5:55 a.m. in 24-hour time. (a) 17:55 (b) 07:55 (c) 05:55
20. 20.Write 6:35 a.m. in 24-hour time. (a) 08:35 (b) 06:35 (c) 18:35
21. 21.What is 03:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 a.m. (c) 3:10 a.m.
22. 22.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 12:45 (c) 10:45
23. 23.A match starts at 16:20 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:30 (b) 16:30 (c) 17:30
24. 24.A match starts at 09:15 and lasts 4 hours 50 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
25. 25.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
26. 26.A match starts at 06:55 and lasts 2 hours 35 minutes. At what time does it end? (a) 10:30 (b) 08:30 (c) 09:30
27. 27.Write 2:30 a.m. in 24-hour time. (a) 14:30 (b) 04:30 (c) 02:30
28. 28.A match starts at 10:50 and lasts 1 hour 50 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 11:40
29. 29.A film is 4 hours 25 minutes long. How many minutes is that?
30. 30.What is 06:40 in 12-hour time? (a) 6:40 p.m. (b) 8:40 a.m. (c) 6:40 a.m.
31. 31.How many hours are there from 09:00 to 22:00?
32. 32.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 04:20 (c) 02:20
33. 33.A film is 3 hours 40 minutes long. How many minutes is that?
34. 34.What is 11:20 in 12-hour time? (a) 1:20 a.m. (b) 11:20 a.m. (c) 11:20 p.m.
35. 35.Write 1:50 a.m. in 24-hour time. (a) 13:50 (b) 01:50 (c) 03:50
36. 36.Write 3:20 p.m. in 24-hour time. (a) 15:20 (b) 17:20 (c) 03:20
37. 37.A train leaves at 12:55 and reaches at 14:20. How long is the journey (in minutes)?
38. 38.A film is 1 hour 10 minutes long. How many minutes is that?
39. 39.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 01:55 (c) 03:55
40. 40.How many hours are there from 09:00 to 15:00?

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