Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 267 · 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.A film is 2 hours 30 minutes long. How many minutes is that?
2. 2.Write 7:35 p.m. in 24-hour time. (a) 07:35 (b) 19:35 (c) 21:35
3. 3.How many hours are there from 11:00 to 22:00?
4. 4.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 09:25 (c) 19:25
5. 5.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 05:20 (c) 17:20
6. 6.Write 7:15 p.m. in 24-hour time. (a) 07:15 (b) 21:15 (c) 19:15
7. 7.A match starts at 10:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:25 (b) 10:25 (c) 11:25
8. 8.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 p.m.
9. 9.A train leaves at 13:45 and reaches at 14:35. How long is the journey (in minutes)?
10. 10.A match starts at 07:45 and lasts 1 hour 40 minutes. At what time does it end? (a) 09:25 (b) 10:25 (c) 08:25
11. 11.A match starts at 17:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 21:45 (b) 22:45 (c) 20:45
12. 12.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 p.m. (c) 9:50 p.m.
13. 13.How many hours are there from 05:00 to 12:00?
14. 14.A match starts at 08:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 11:45 (b) 10:45 (c) 12:45
15. 15.A train leaves at 18:35 and reaches at 19:10. How long is the journey (in minutes)?
16. 16.A train leaves at 18:25 and reaches at 20:35. How long is the journey (in minutes)?
17. 17.A film is 1 hour 10 minutes long. How many minutes is that?
18. 18.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 2:25 a.m. (c) 4:25 p.m.
19. 19.Write 1:40 a.m. in 24-hour time. (a) 13:40 (b) 01:40 (c) 03:40
20. 20.A match starts at 14:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 17:15 (b) 16:15 (c) 18:15
21. 21.Write 10:25 p.m. in 24-hour time. (a) 10:25 (b) 00:25 (c) 22:25
22. 22.What is 17:20 in 12-hour time? (a) 5:20 p.m. (b) 5:20 a.m. (c) 7:20 p.m.
23. 23.What is 16:30 in 12-hour time? (a) 6:30 p.m. (b) 4:30 a.m. (c) 4:30 p.m.
24. 24.A match starts at 14:50 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:55 (b) 17:55 (c) 15:55
25. 25.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
26. 26.What is 02:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 a.m. (c) 2:35 a.m.
27. 27.What is 01:10 in 12-hour time? (a) 1:10 a.m. (b) 1:10 p.m. (c) 3:10 a.m.
28. 28.How many hours are there from 07:00 to 16:00?
29. 29.A match starts at 13:25 and lasts 4 hours 45 minutes. At what time does it end? (a) 17:10 (b) 19:10 (c) 18:10
30. 30.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 17:15 (c) 15:15
31. 31.How many hours are there from 05:00 to 10:00?
32. 32.A film is 4 hours 45 minutes long. How many minutes is that?
33. 33.A train leaves at 13:35 and reaches at 14:25. How long is the journey (in minutes)?
34. 34.How many hours are there from 09:00 to 11:00?
35. 35.Write 2:20 p.m. in 24-hour time. (a) 14:20 (b) 16:20 (c) 02:20
36. 36.A train leaves at 13:35 and reaches at 14:35. How long is the journey (in minutes)?
37. 37.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 a.m.
38. 38.How many hours are there from 05:00 to 15:00?
39. 39.How many hours are there from 10:00 to 23:00?
40. 40.A train leaves at 18:35 and reaches at 20:45. How long is the journey (in minutes)?

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