Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 578 · 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 19:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 p.m.
2. 2.A film is 1 hour 15 minutes long. How many minutes is that?
3. 3.Write 7:25 p.m. in 24-hour time. (a) 07:25 (b) 21:25 (c) 19:25
4. 4.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 p.m. (c) 1:55 p.m.
5. 5.How many hours are there from 12:00 to 20:00?
6. 6.How many hours are there from 12:00 to 19:00?
7. 7.A film is 1 hour 40 minutes long. How many minutes is that?
8. 8.A match starts at 18:30 and lasts 1 hour 55 minutes. At what time does it end? (a) 19:25 (b) 20:25 (c) 21:25
9. 9.A match starts at 06:50 and lasts 3 hours 40 minutes. At what time does it end? (a) 11:30 (b) 09:30 (c) 10:30
10. 10.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 08:10 (c) 10:10
11. 11.Write 6:05 a.m. in 24-hour time. (a) 06:05 (b) 08:05 (c) 18:05
12. 12.How many hours are there from 06:00 to 21:00?
13. 13.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 5:15 p.m. (c) 3:15 p.m.
14. 14.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 03:10
15. 15.Write 2:25 p.m. in 24-hour time. (a) 02:25 (b) 16:25 (c) 14:25
16. 16.A match starts at 17:40 and lasts 1 hour. At what time does it end? (a) 18:40 (b) 17:40 (c) 19:40
17. 17.A train leaves at 17:30 and reaches at 19:50. How long is the journey (in minutes)?
18. 18.A film is 3 hours 5 minutes long. How many minutes is that?
19. 19.Write 5:35 p.m. in 24-hour time. (a) 05:35 (b) 17:35 (c) 19:35
20. 20.Write 11:30 a.m. in 24-hour time. (a) 11:30 (b) 23:30 (c) 13:30
21. 21.How many hours are there from 08:00 to 14:00?
22. 22.A match starts at 15:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 19:15 (b) 17:15 (c) 18:15
23. 23.A film is 4 hours 10 minutes long. How many minutes is that?
24. 24.A train leaves at 16:45 and reaches at 19:10. How long is the journey (in minutes)?
25. 25.A match starts at 11:15 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:25 (b) 13:25 (c) 14:25
26. 26.A match starts at 17:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 21:15 (b) 20:15 (c) 22:15
27. 27.A film is 4 hours 25 minutes long. How many minutes is that?
28. 28.How many hours are there from 07:00 to 23:00?
29. 29.Write 1:50 p.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 15:50
30. 30.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 03:10 (c) 15:10
31. 31.How many hours are there from 05:00 to 16:00?
32. 32.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 23:55 (c) 09:55
33. 33.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 18:25 (c) 06:25
34. 34.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 01:20 (c) 03:20
35. 35.Write 2:55 p.m. in 24-hour time. (a) 02:55 (b) 16:55 (c) 14:55
36. 36.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
37. 37.What is 08:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 a.m.
38. 38.Write 3:00 a.m. in 24-hour time. (a) 03:00 (b) 05:00 (c) 15:00
39. 39.A film is 2 hours 30 minutes long. How many minutes is that?
40. 40.What is 19:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 p.m. (c) 7:40 a.m.

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