Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 983 · 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 match starts at 18:00 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:30 (b) 22:30 (c) 21:30
2. 2.A film is 1 hour 15 minutes long. How many minutes is that?
3. 3.A match starts at 07:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 07:45 (b) 09:45 (c) 08:45
4. 4.How many hours are there from 12:00 to 15:00?
5. 5.How many hours are there from 05:00 to 15:00?
6. 6.What is 01:30 in 12-hour time? (a) 1:30 a.m. (b) 3:30 a.m. (c) 1:30 p.m.
7. 7.Write 11:50 a.m. in 24-hour time. (a) 13:50 (b) 11:50 (c) 23:50
8. 8.A match starts at 11:25 and lasts 4 hours 35 minutes. At what time does it end? (a) 15:00 (b) 17:00 (c) 16:00
9. 9.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 15:20 (c) 01:20
10. 10.A film is 4 hours 45 minutes long. How many minutes is that?
11. 11.A train leaves at 19:05 and reaches at 19:55. How long is the journey (in minutes)?
12. 12.How many hours are there from 07:00 to 15:00?
13. 13.Write 4:20 p.m. in 24-hour time. (a) 18:20 (b) 16:20 (c) 04:20
14. 14.A film is 1 hour 55 minutes long. How many minutes is that?
15. 15.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 p.m. (c) 9:05 a.m.
16. 16.A match starts at 10:25 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:30 (b) 10:30 (c) 11:30
17. 17.A film is 2 hours 30 minutes long. How many minutes is that?
18. 18.What is 15:35 in 12-hour time? (a) 3:35 a.m. (b) 5:35 p.m. (c) 3:35 p.m.
19. 19.A match starts at 06:30 and lasts 2 hours 15 minutes. At what time does it end? (a) 09:45 (b) 08:45 (c) 07:45
20. 20.A train leaves at 09:15 and reaches at 10:15. How long is the journey (in minutes)?
21. 21.A match starts at 13:40 and lasts 4 hours 45 minutes. At what time does it end? (a) 19:25 (b) 18:25 (c) 17:25
22. 22.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
23. 23.A match starts at 14:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 14:15
24. 24.A train leaves at 06:10 and reaches at 07:10. How long is the journey (in minutes)?
25. 25.What is 22:45 in 12-hour time? (a) 10:45 a.m. (b) 12:45 p.m. (c) 10:45 p.m.
26. 26.Write 8:35 a.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 10:35
27. 27.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 03:50 (c) 13:50
28. 28.A train leaves at 15:25 and reaches at 16:30. How long is the journey (in minutes)?
29. 29.How many hours are there from 09:00 to 11:00?
30. 30.A film is 1 hour 35 minutes long. How many minutes is that?
31. 31.A train leaves at 19:05 and reaches at 22:10. How long is the journey (in minutes)?
32. 32.What is 08:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 a.m.
33. 33.Write 1:55 a.m. in 24-hour time. (a) 01:55 (b) 13:55 (c) 03:55
34. 34.How many hours are there from 10:00 to 12:00?
35. 35.A train leaves at 12:40 and reaches at 15:55. How long is the journey (in minutes)?
36. 36.A train leaves at 11:45 and reaches at 14:45. How long is the journey (in minutes)?
37. 37.Write 6:35 a.m. in 24-hour time. (a) 18:35 (b) 08:35 (c) 06:35
38. 38.How many hours are there from 11:00 to 20:00?
39. 39.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 a.m. (c) 9:40 p.m.
40. 40.How many hours are there from 05:00 to 12:00?

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