Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 199 · 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 2:30 p.m. in 24-hour time. (a) 16:30 (b) 14:30 (c) 02:30
2. 2.A film is 3 hours 35 minutes long. How many minutes is that?
3. 3.A train leaves at 15:25 and reaches at 16:00. How long is the journey (in minutes)?
4. 4.A film is 1 hour 15 minutes long. How many minutes is that?
5. 5.A film is 2 hours 15 minutes long. How many minutes is that?
6. 6.How many hours are there from 05:00 to 17:00?
7. 7.How many hours are there from 11:00 to 22:00?
8. 8.A film is 4 hours 5 minutes long. How many minutes is that?
9. 9.A match starts at 13:00 and lasts 4 hours 55 minutes. At what time does it end? (a) 17:55 (b) 16:55 (c) 18:55
10. 10.Write 7:40 a.m. in 24-hour time. (a) 09:40 (b) 07:40 (c) 19:40
11. 11.How many hours are there from 09:00 to 13:00?
12. 12.A film is 1 hour 45 minutes long. How many minutes is that?
13. 13.What is 16:50 in 12-hour time? (a) 6:50 p.m. (b) 4:50 a.m. (c) 4:50 p.m.
14. 14.What is 15:40 in 12-hour time? (a) 3:40 a.m. (b) 5:40 p.m. (c) 3:40 p.m.
15. 15.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 09:20 (c) 07:20
16. 16.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 a.m.
17. 17.A match starts at 08:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 12:35
18. 18.What is 22:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 p.m. (c) 10:35 p.m.
19. 19.A train leaves at 14:00 and reaches at 14:50. How long is the journey (in minutes)?
20. 20.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 19:15
21. 21.A film is 2 hours 40 minutes long. How many minutes is that?
22. 22.A film is 4 hours 10 minutes long. How many minutes is that?
23. 23.A film is 3 hours 25 minutes long. How many minutes is that?
24. 24.What is 03:55 in 12-hour time? (a) 3:55 a.m. (b) 5:55 a.m. (c) 3:55 p.m.
25. 25.What is 01:30 in 12-hour time? (a) 1:30 a.m. (b) 3:30 a.m. (c) 1:30 p.m.
26. 26.A train leaves at 08:30 and reaches at 09:30. How long is the journey (in minutes)?
27. 27.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
28. 28.A match starts at 10:25 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:35 (b) 13:35 (c) 14:35
29. 29.How many hours are there from 11:00 to 16:00?
30. 30.A train leaves at 15:15 and reaches at 17:15. How long is the journey (in minutes)?
31. 31.How many hours are there from 10:00 to 19:00?
32. 32.Write 10:20 p.m. in 24-hour time. (a) 10:20 (b) 00:20 (c) 22:20
33. 33.A match starts at 13:05 and lasts 3 hours 25 minutes. At what time does it end? (a) 16:30 (b) 15:30 (c) 17:30
34. 34.What is 18:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 p.m. (c) 6:50 p.m.
35. 35.Write 9:25 p.m. in 24-hour time. (a) 23:25 (b) 09:25 (c) 21:25
36. 36.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 18:25 (c) 06:25
37. 37.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 p.m. (c) 2:00 a.m.
38. 38.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 p.m. (c) 11:00 a.m.
39. 39.A train leaves at 11:10 and reaches at 13:40. How long is the journey (in minutes)?
40. 40.A film is 1 hour 50 minutes long. How many minutes is that?

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