Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 939 · 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 train leaves at 15:45 and reaches at 16:50. How long is the journey (in minutes)?
2. 2.A film is 3 hours 20 minutes long. How many minutes is that?
3. 3.A match starts at 11:30 and lasts 1 hour 15 minutes. At what time does it end? (a) 13:45 (b) 11:45 (c) 12:45
4. 4.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 13:40 (c) 01:40
5. 5.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 a.m. (c) 10:30 p.m.
6. 6.A train leaves at 06:55 and reaches at 09:05. How long is the journey (in minutes)?
7. 7.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 03:00 (c) 13:00
8. 8.A match starts at 09:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 10:10
9. 9.A train leaves at 11:00 and reaches at 13:00. How long is the journey (in minutes)?
10. 10.How many hours are there from 06:00 to 22:00?
11. 11.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 18:45 (c) 16:45
12. 12.What is 08:15 in 12-hour time? (a) 8:15 p.m. (b) 10:15 a.m. (c) 8:15 a.m.
13. 13.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 06:15
14. 14.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
15. 15.A film is 2 hours 5 minutes long. How many minutes is that?
16. 16.A match starts at 08:45 and lasts 4 hours 45 minutes. At what time does it end? (a) 12:30 (b) 14:30 (c) 13:30
17. 17.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 12:30 (c) 22:30
18. 18.A train leaves at 06:50 and reaches at 09:15. How long is the journey (in minutes)?
19. 19.How many hours are there from 12:00 to 19:00?
20. 20.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 04:30 (c) 06:30
21. 21.A film is 4 hours 20 minutes long. How many minutes is that?
22. 22.A film is 2 hours 15 minutes long. How many minutes is that?
23. 23.A film is 4 hours 35 minutes long. How many minutes is that?
24. 24.Write 7:25 a.m. in 24-hour time. (a) 19:25 (b) 09:25 (c) 07:25
25. 25.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 a.m. (c) 7:30 p.m.
26. 26.What is 05:15 in 12-hour time? (a) 5:15 a.m. (b) 5:15 p.m. (c) 7:15 a.m.
27. 27.Write 6:10 p.m. in 24-hour time. (a) 06:10 (b) 20:10 (c) 18:10
28. 28.What is 05:05 in 12-hour time? (a) 5:05 a.m. (b) 5:05 p.m. (c) 7:05 a.m.
29. 29.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 8:25 a.m. (c) 6:25 a.m.
30. 30.A train leaves at 08:15 and reaches at 09:55. How long is the journey (in minutes)?
31. 31.A film is 3 hours 15 minutes long. How many minutes is that?
32. 32.What is 19:25 in 12-hour time? (a) 9:25 p.m. (b) 7:25 a.m. (c) 7:25 p.m.
33. 33.A match starts at 13:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 14:05 (b) 16:05 (c) 15:05
34. 34.A film is 4 hours 45 minutes long. How many minutes is that?
35. 35.A match starts at 12:25 and lasts 1 hour 20 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
36. 36.How many hours are there from 05:00 to 10:00?
37. 37.What is 18:30 in 12-hour time? (a) 6:30 p.m. (b) 8:30 p.m. (c) 6:30 a.m.
38. 38.A match starts at 10:45 and lasts 1 hour 50 minutes. At what time does it end? (a) 11:35 (b) 13:35 (c) 12:35
39. 39.Write 10:55 p.m. in 24-hour time. (a) 22:55 (b) 00:55 (c) 10:55
40. 40.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 03:20 (c) 15:20

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