Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 698 · 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.Write 2:45 a.m. in 24-hour time. (a) 04:45 (b) 14:45 (c) 02:45
2. 2.A train leaves at 07:50 and reaches at 11:10. How long is the journey (in minutes)?
3. 3.A match starts at 13:50 and lasts 2 hours. At what time does it end? (a) 15:50 (b) 16:50 (c) 14:50
4. 4.A train leaves at 08:00 and reaches at 09:05. How long is the journey (in minutes)?
5. 5.What is 04:25 in 12-hour time? (a) 6:25 a.m. (b) 4:25 p.m. (c) 4:25 a.m.
6. 6.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 03:05 (c) 15:05
7. 7.Write 7:35 a.m. in 24-hour time. (a) 07:35 (b) 19:35 (c) 09:35
8. 8.A film is 1 hour 35 minutes long. How many minutes is that?
9. 9.A film is 1 hour 40 minutes long. How many minutes is that?
10. 10.What is 13:25 in 12-hour time? (a) 1:25 a.m. (b) 1:25 p.m. (c) 3:25 p.m.
11. 11.What is 15:45 in 12-hour time? (a) 3:45 a.m. (b) 5:45 p.m. (c) 3:45 p.m.
12. 12.A match starts at 12:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 13:15
13. 13.A film is 3 hours 55 minutes long. How many minutes is that?
14. 14.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 08:45 (c) 10:45
15. 15.A train leaves at 07:25 and reaches at 09:20. How long is the journey (in minutes)?
16. 16.A match starts at 16:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 18:35 (b) 16:35 (c) 17:35
17. 17.What is 09:45 in 12-hour time? (a) 9:45 p.m. (b) 9:45 a.m. (c) 11:45 a.m.
18. 18.A film is 4 hours 25 minutes long. How many minutes is that?
19. 19.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 a.m.
20. 20.Write 4:20 a.m. in 24-hour time. (a) 16:20 (b) 06:20 (c) 04:20
21. 21.A match starts at 15:00 and lasts 2 hours. At what time does it end? (a) 18:00 (b) 17:00 (c) 16:00
22. 22.What is 10:25 in 12-hour time? (a) 12:25 a.m. (b) 10:25 a.m. (c) 10:25 p.m.
23. 23.A film is 2 hours 40 minutes long. How many minutes is that?
24. 24.A train leaves at 06:20 and reaches at 07:45. How long is the journey (in minutes)?
25. 25.What is 06:10 in 12-hour time? (a) 8:10 a.m. (b) 6:10 p.m. (c) 6:10 a.m.
26. 26.A film is 4 hours 50 minutes long. How many minutes is that?
27. 27.A match starts at 13:25 and lasts 4 hours 40 minutes. At what time does it end? (a) 18:05 (b) 19:05 (c) 17:05
28. 28.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
29. 29.How many hours are there from 10:00 to 19:00?
30. 30.What is 14:05 in 12-hour time? (a) 4:05 p.m. (b) 2:05 p.m. (c) 2:05 a.m.
31. 31.Write 11:55 p.m. in 24-hour time. (a) 01:55 (b) 23:55 (c) 11:55
32. 32.A film is 3 hours 15 minutes long. How many minutes is that?
33. 33.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 a.m.
34. 34.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 17:15 (c) 15:15
35. 35.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 13:20 (c) 03:20
36. 36.A train leaves at 15:50 and reaches at 18:05. How long is the journey (in minutes)?
37. 37.What is 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 a.m. (c) 7:50 p.m.
38. 38.A train leaves at 16:30 and reaches at 17:55. How long is the journey (in minutes)?
39. 39.A match starts at 18:20 and lasts 1 hour 30 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
40. 40.How many hours are there from 08:00 to 14:00?

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