Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 870 · 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 09:15 in 12-hour time? (a) 9:15 a.m. (b) 9:15 p.m. (c) 11:15 a.m.
2. 2.A train leaves at 17:25 and reaches at 18:30. How long is the journey (in minutes)?
3. 3.A train leaves at 06:45 and reaches at 07:50. How long is the journey (in minutes)?
4. 4.A film is 3 hours 40 minutes long. How many minutes is that?
5. 5.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
6. 6.A film is 3 hours 30 minutes long. How many minutes is that?
7. 7.How many hours are there from 07:00 to 12:00?
8. 8.A match starts at 17:25 and lasts 4 hours 35 minutes. At what time does it end? (a) 21:00 (b) 23:00 (c) 22:00
9. 9.A match starts at 13:30 and lasts 3 hours 30 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 18:00
10. 10.A train leaves at 11:55 and reaches at 13:50. How long is the journey (in minutes)?
11. 11.A match starts at 14:50 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:20 (b) 19:20 (c) 18:20
12. 12.A film is 1 hour 20 minutes long. How many minutes is that?
13. 13.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 03:50 (c) 13:50
14. 14.A match starts at 11:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 13:45
15. 15.A match starts at 11:10 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
16. 16.How many hours are there from 10:00 to 23:00?
17. 17.How many hours are there from 07:00 to 19:00?
18. 18.Write 2:45 p.m. in 24-hour time. (a) 16:45 (b) 02:45 (c) 14:45
19. 19.What is 20:55 in 12-hour time? (a) 8:55 p.m. (b) 10:55 p.m. (c) 8:55 a.m.
20. 20.A film is 1 hour 5 minutes long. How many minutes is that?
21. 21.What is 08:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 a.m.
22. 22.A film is 2 hours 30 minutes long. How many minutes is that?
23. 23.How many hours are there from 12:00 to 15:00?
24. 24.A train leaves at 07:25 and reaches at 08:30. How long is the journey (in minutes)?
25. 25.Write 11:35 p.m. in 24-hour time. (a) 01:35 (b) 23:35 (c) 11:35
26. 26.How many hours are there from 09:00 to 21:00?
27. 27.How many hours are there from 09:00 to 20:00?
28. 28.A train leaves at 18:00 and reaches at 19:00. How long is the journey (in minutes)?
29. 29.A match starts at 17:15 and lasts 4 hours 30 minutes. At what time does it end? (a) 22:45 (b) 20:45 (c) 21:45
30. 30.Write 1:40 p.m. in 24-hour time. (a) 13:40 (b) 15:40 (c) 01:40
31. 31.How many hours are there from 05:00 to 11:00?
32. 32.A train leaves at 13:05 and reaches at 13:45. How long is the journey (in minutes)?
33. 33.A film is 4 hours 20 minutes long. How many minutes is that?
34. 34.A match starts at 09:30 and lasts 4 hours 20 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
35. 35.A match starts at 15:35 and lasts 4 hours 50 minutes. At what time does it end? (a) 20:25 (b) 21:25 (c) 19:25
36. 36.A film is 4 hours 10 minutes long. How many minutes is that?
37. 37.What is 14:15 in 12-hour time? (a) 4:15 p.m. (b) 2:15 p.m. (c) 2:15 a.m.
38. 38.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 06:25 (c) 18:25
39. 39.A film is 3 hours 35 minutes long. How many minutes is that?
40. 40.A train leaves at 08:05 and reaches at 09:10. How long is the journey (in minutes)?

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