Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 540 · 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.How many hours are there from 05:00 to 07:00?
2. 2.What is 10:50 in 12-hour time? (a) 12:50 a.m. (b) 10:50 p.m. (c) 10:50 a.m.
3. 3.A match starts at 07:15 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 08:55
4. 4.A film is 3 hours 45 minutes long. How many minutes is that?
5. 5.What is 15:50 in 12-hour time? (a) 5:50 p.m. (b) 3:50 p.m. (c) 3:50 a.m.
6. 6.A match starts at 18:35 and lasts 4 hours 25 minutes. At what time does it end? (a) 22:00 (b) 23:00 (c) 00:00
7. 7.A film is 4 hours 5 minutes long. How many minutes is that?
8. 8.Write 7:20 p.m. in 24-hour time. (a) 19:20 (b) 21:20 (c) 07:20
9. 9.How many hours are there from 09:00 to 17:00?
10. 10.A train leaves at 19:05 and reaches at 19:50. How long is the journey (in minutes)?
11. 11.A film is 2 hours 15 minutes long. How many minutes is that?
12. 12.A match starts at 12:50 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
13. 13.How many hours are there from 05:00 to 13:00?
14. 14.A match starts at 08:40 and lasts 2 hours 45 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 10:25
15. 15.What is 06:15 in 12-hour time? (a) 6:15 p.m. (b) 6:15 a.m. (c) 8:15 a.m.
16. 16.How many hours are there from 07:00 to 11:00?
17. 17.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 10:35 a.m. (c) 12:35 a.m.
18. 18.A train leaves at 16:10 and reaches at 18:10. How long is the journey (in minutes)?
19. 19.Write 4:35 a.m. in 24-hour time. (a) 16:35 (b) 06:35 (c) 04:35
20. 20.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 a.m.
21. 21.A train leaves at 14:05 and reaches at 14:40. How long is the journey (in minutes)?
22. 22.A match starts at 08:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 11:55 (b) 12:55 (c) 10:55
23. 23.How many hours are there from 10:00 to 23:00?
24. 24.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 15:30 (c) 03:30
25. 25.Write 8:35 a.m. in 24-hour time. (a) 10:35 (b) 20:35 (c) 08:35
26. 26.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 23:05 (c) 11:05
27. 27.A film is 3 hours 20 minutes long. How many minutes is that?
28. 28.A match starts at 07:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 07:45 (b) 09:45 (c) 08:45
29. 29.How many hours are there from 08:00 to 14:00?
30. 30.A match starts at 15:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 19:20 (b) 18:20 (c) 17:20
31. 31.A train leaves at 17:40 and reaches at 18:30. How long is the journey (in minutes)?
32. 32.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 04:40 (c) 16:40
33. 33.A train leaves at 16:05 and reaches at 18:05. How long is the journey (in minutes)?
34. 34.A match starts at 17:05 and lasts 2 hours 15 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 18:20
35. 35.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 00:15 (c) 22:15
36. 36.Write 3:40 p.m. in 24-hour time. (a) 15:40 (b) 17:40 (c) 03:40
37. 37.A train leaves at 08:20 and reaches at 09:35. How long is the journey (in minutes)?
38. 38.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 4:45 p.m. (c) 2:45 p.m.
39. 39.A train leaves at 17:30 and reaches at 18:05. How long is the journey (in minutes)?
40. 40.A train leaves at 19:35 and reaches at 20:00. How long is the journey (in minutes)?

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