Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 437 · 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 7:05 a.m. in 24-hour time. (a) 07:05 (b) 19:05 (c) 09:05
2. 2.A match starts at 16:25 and lasts 1 hour 40 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 17:05
3. 3.A train leaves at 19:05 and reaches at 20:55. How long is the journey (in minutes)?
4. 4.How many hours are there from 05:00 to 14:00?
5. 5.A film is 2 hours 40 minutes long. How many minutes is that?
6. 6.A film is 1 hour 50 minutes long. How many minutes is that?
7. 7.How many hours are there from 10:00 to 19:00?
8. 8.How many hours are there from 09:00 to 21:00?
9. 9.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 14:55 (c) 02:55
10. 10.A match starts at 17:50 and lasts 3 hours 35 minutes. At what time does it end? (a) 20:25 (b) 22:25 (c) 21:25
11. 11.A train leaves at 10:30 and reaches at 12:50. How long is the journey (in minutes)?
12. 12.How many hours are there from 12:00 to 18:00?
13. 13.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 1:30 p.m. (c) 3:30 p.m.
14. 14.Write 3:10 p.m. in 24-hour time. (a) 03:10 (b) 17:10 (c) 15:10
15. 15.What is 08:35 in 12-hour time? (a) 8:35 p.m. (b) 10:35 a.m. (c) 8:35 a.m.
16. 16.A train leaves at 11:10 and reaches at 12:25. How long is the journey (in minutes)?
17. 17.A match starts at 08:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 11:20
18. 18.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 a.m.
19. 19.A train leaves at 07:00 and reaches at 08:00. How long is the journey (in minutes)?
20. 20.What is 23:25 in 12-hour time? (a) 11:25 p.m. (b) 11:25 a.m. (c) 1:25 p.m.
21. 21.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 04:35 (c) 02:35
22. 22.Write 9:20 a.m. in 24-hour time. (a) 09:20 (b) 11:20 (c) 21:20
23. 23.Write 9:25 a.m. in 24-hour time. (a) 11:25 (b) 21:25 (c) 09:25
24. 24.A film is 1 hour 5 minutes long. How many minutes is that?
25. 25.How many hours are there from 06:00 to 22:00?
26. 26.A film is 2 hours 55 minutes long. How many minutes is that?
27. 27.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
28. 28.How many hours are there from 09:00 to 13:00?
29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
30. 30.How many hours are there from 06:00 to 09:00?
31. 31.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 a.m. (c) 3:05 a.m.
32. 32.A match starts at 12:55 and lasts 3 hours 20 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 17:15
33. 33.A match starts at 07:25 and lasts 1 hour 5 minutes. At what time does it end? (a) 08:30 (b) 07:30 (c) 09:30
34. 34.A match starts at 06:40 and lasts 4 hours 55 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
35. 35.Write 8:20 p.m. in 24-hour time. (a) 22:20 (b) 20:20 (c) 08:20
36. 36.Write 7:45 a.m. in 24-hour time. (a) 19:45 (b) 09:45 (c) 07:45
37. 37.A match starts at 18:00 and lasts 1 hour 45 minutes. At what time does it end? (a) 18:45 (b) 19:45 (c) 20:45
38. 38.How many hours are there from 05:00 to 21:00?
39. 39.A match starts at 09:40 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:55 (b) 12:55 (c) 11:55
40. 40.How many hours are there from 12:00 to 22:00?

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