Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 114 · 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.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 a.m. (c) 8:25 p.m.
2. 2.A match starts at 07:45 and lasts 2 hours 45 minutes. At what time does it end? (a) 11:30 (b) 09:30 (c) 10:30
3. 3.A film is 3 hours 40 minutes long. How many minutes is that?
4. 4.A film is 1 hour 40 minutes long. How many minutes is that?
5. 5.Write 5:50 a.m. in 24-hour time. (a) 17:50 (b) 05:50 (c) 07:50
6. 6.A match starts at 14:35 and lasts 3 hours 10 minutes. At what time does it end? (a) 18:45 (b) 16:45 (c) 17:45
7. 7.How many hours are there from 12:00 to 23:00?
8. 8.What is 02:35 in 12-hour time? (a) 2:35 p.m. (b) 4:35 a.m. (c) 2:35 a.m.
9. 9.How many hours are there from 05:00 to 18:00?
10. 10.Write 1:05 p.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 15:05
11. 11.A film is 3 hours 55 minutes long. How many minutes is that?
12. 12.A train leaves at 08:50 and reaches at 11:20. How long is the journey (in minutes)?
13. 13.A film is 3 hours 10 minutes long. How many minutes is that?
14. 14.A train leaves at 09:05 and reaches at 10:20. How long is the journey (in minutes)?
15. 15.How many hours are there from 09:00 to 15:00?
16. 16.How many hours are there from 08:00 to 17:00?
17. 17.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
18. 18.Write 1:25 p.m. in 24-hour time. (a) 01:25 (b) 15:25 (c) 13:25
19. 19.What is 17:50 in 12-hour time? (a) 7:50 p.m. (b) 5:50 p.m. (c) 5:50 a.m.
20. 20.Write 11:30 p.m. in 24-hour time. (a) 23:30 (b) 01:30 (c) 11:30
21. 21.Write 5:00 p.m. in 24-hour time. (a) 05:00 (b) 19:00 (c) 17:00
22. 22.A train leaves at 11:35 and reaches at 12:15. How long is the journey (in minutes)?
23. 23.A match starts at 09:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 11:40 (b) 13:40 (c) 12:40
24. 24.A match starts at 09:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 14:05 (b) 13:05 (c) 12:05
25. 25.A match starts at 14:55 and lasts 3 hours 35 minutes. At what time does it end? (a) 19:30 (b) 18:30 (c) 17:30
26. 26.A match starts at 09:55 and lasts 1 hour 55 minutes. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
27. 27.A film is 1 hour 5 minutes long. How many minutes is that?
28. 28.A match starts at 18:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:35 (b) 19:35 (c) 21:35
29. 29.How many hours are there from 06:00 to 10:00?
30. 30.A film is 3 hours 50 minutes long. How many minutes is that?
31. 31.Write 5:40 a.m. in 24-hour time. (a) 05:40 (b) 07:40 (c) 17:40
32. 32.How many hours are there from 05:00 to 09:00?
33. 33.What is 11:50 in 12-hour time? (a) 1:50 a.m. (b) 11:50 p.m. (c) 11:50 a.m.
34. 34.Write 3:30 a.m. in 24-hour time. (a) 03:30 (b) 05:30 (c) 15:30
35. 35.How many hours are there from 09:00 to 11:00?
36. 36.A train leaves at 14:00 and reaches at 16:00. How long is the journey (in minutes)?
37. 37.A train leaves at 18:55 and reaches at 21:25. How long is the journey (in minutes)?
38. 38.A film is 4 hours 40 minutes long. How many minutes is that?
39. 39.A train leaves at 10:40 and reaches at 11:15. How long is the journey (in minutes)?
40. 40.A film is 2 hours 35 minutes long. How many minutes is that?

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