Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 624 · 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 1 hour 10 minutes long. How many minutes is that?
2. 2.A film is 1 hour 20 minutes long. How many minutes is that?
3. 3.A match starts at 18:30 and lasts 3 hours 55 minutes. At what time does it end? (a) 21:25 (b) 23:25 (c) 22:25
4. 4.A film is 3 hours 5 minutes long. How many minutes is that?
5. 5.Write 11:55 p.m. in 24-hour time. (a) 01:55 (b) 11:55 (c) 23:55
6. 6.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 19:30 (c) 21:30
7. 7.A match starts at 18:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 21:15 (b) 22:15 (c) 20:15
8. 8.A train leaves at 17:45 and reaches at 19:30. How long is the journey (in minutes)?
9. 9.A film is 4 hours 50 minutes long. How many minutes is that?
10. 10.How many hours are there from 08:00 to 13:00?
11. 11.A train leaves at 13:00 and reaches at 14:10. How long is the journey (in minutes)?
12. 12.A train leaves at 19:20 and reaches at 21:25. How long is the journey (in minutes)?
13. 13.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 10:25 (c) 08:25
14. 14.Write 8:10 p.m. in 24-hour time. (a) 20:10 (b) 08:10 (c) 22:10
15. 15.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 13:20 (c) 03:20
16. 16.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 23:10 (c) 13:10
17. 17.A match starts at 06:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:20 (b) 08:20 (c) 06:20
18. 18.A film is 4 hours 15 minutes long. How many minutes is that?
19. 19.A match starts at 08:35 and lasts 4 hours 30 minutes. At what time does it end? (a) 12:05 (b) 13:05 (c) 14:05
20. 20.Write 8:35 a.m. in 24-hour time. (a) 20:35 (b) 10:35 (c) 08:35
21. 21.How many hours are there from 12:00 to 17:00?
22. 22.A match starts at 11:50 and lasts 4 hours. At what time does it end? (a) 14:50 (b) 16:50 (c) 15:50
23. 23.What is 05:10 in 12-hour time? (a) 5:10 p.m. (b) 5:10 a.m. (c) 7:10 a.m.
24. 24.A train leaves at 07:40 and reaches at 10:15. How long is the journey (in minutes)?
25. 25.Write 9:05 a.m. in 24-hour time. (a) 11:05 (b) 09:05 (c) 21:05
26. 26.A match starts at 16:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 18:20
27. 27.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 06:40 (c) 16:40
28. 28.A train leaves at 14:15 and reaches at 17:30. How long is the journey (in minutes)?
29. 29.A match starts at 08:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:00 (b) 10:00 (c) 11:00
30. 30.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 a.m. (c) 8:55 p.m.
31. 31.A train leaves at 11:00 and reaches at 12:25. How long is the journey (in minutes)?
32. 32.A film is 2 hours 15 minutes long. How many minutes is that?
33. 33.A train leaves at 18:50 and reaches at 20:40. How long is the journey (in minutes)?
34. 34.What is 17:20 in 12-hour time? (a) 7:20 p.m. (b) 5:20 a.m. (c) 5:20 p.m.
35. 35.A match starts at 07:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 09:45 (b) 08:45 (c) 10:45
36. 36.Write 6:30 a.m. in 24-hour time. (a) 08:30 (b) 06:30 (c) 18:30
37. 37.A film is 1 hour 15 minutes long. How many minutes is that?
38. 38.How many hours are there from 09:00 to 22:00?
39. 39.Write 9:45 a.m. in 24-hour time. (a) 09:45 (b) 11:45 (c) 21:45
40. 40.What is 13:45 in 12-hour time? (a) 1:45 a.m. (b) 3:45 p.m. (c) 1:45 p.m.

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