Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 655 · 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 18:45 in 12-hour time? (a) 6:45 a.m. (b) 8:45 p.m. (c) 6:45 p.m.
2. 2.What is 19:55 in 12-hour time? (a) 9:55 p.m. (b) 7:55 a.m. (c) 7:55 p.m.
3. 3.What is 11:40 in 12-hour time? (a) 1:40 a.m. (b) 11:40 a.m. (c) 11:40 p.m.
4. 4.Write 7:40 p.m. in 24-hour time. (a) 07:40 (b) 19:40 (c) 21:40
5. 5.A train leaves at 07:15 and reaches at 09:30. How long is the journey (in minutes)?
6. 6.Write 5:55 p.m. in 24-hour time. (a) 19:55 (b) 17:55 (c) 05:55
7. 7.A train leaves at 13:45 and reaches at 15:10. How long is the journey (in minutes)?
8. 8.A film is 4 hours 25 minutes long. How many minutes is that?
9. 9.How many hours are there from 09:00 to 13:00?
10. 10.A film is 3 hours 35 minutes long. How many minutes is that?
11. 11.A film is 2 hours 15 minutes long. How many minutes is that?
12. 12.How many hours are there from 11:00 to 20:00?
13. 13.A film is 4 hours 15 minutes long. How many minutes is that?
14. 14.A match starts at 17:40 and lasts 2 hours 45 minutes. At what time does it end? (a) 19:25 (b) 20:25 (c) 21:25
15. 15.A film is 4 hours 40 minutes long. How many minutes is that?
16. 16.How many hours are there from 10:00 to 19:00?
17. 17.A film is 2 hours 5 minutes long. How many minutes is that?
18. 18.A train leaves at 06:30 and reaches at 07:00. How long is the journey (in minutes)?
19. 19.Write 2:40 p.m. in 24-hour time. (a) 16:40 (b) 14:40 (c) 02:40
20. 20.How many hours are there from 10:00 to 17:00?
21. 21.A film is 1 hour 20 minutes long. How many minutes is that?
22. 22.How many hours are there from 09:00 to 12:00?
23. 23.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 05:55
24. 24.A film is 4 hours 50 minutes long. How many minutes is that?
25. 25.Write 4:35 a.m. in 24-hour time. (a) 06:35 (b) 04:35 (c) 16:35
26. 26.A train leaves at 17:25 and reaches at 18:00. How long is the journey (in minutes)?
27. 27.A match starts at 11:40 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:30 (b) 13:30 (c) 14:30
28. 28.A match starts at 15:00 and lasts 4 hours 40 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
29. 29.A train leaves at 09:40 and reaches at 10:40. How long is the journey (in minutes)?
30. 30.A match starts at 09:20 and lasts 4 hours 30 minutes. At what time does it end? (a) 14:50 (b) 12:50 (c) 13:50
31. 31.A train leaves at 18:05 and reaches at 20:00. How long is the journey (in minutes)?
32. 32.A film is 4 hours 5 minutes long. How many minutes is that?
33. 33.What is 02:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 a.m. (c) 2:05 p.m.
34. 34.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 12:15
35. 35.A match starts at 11:30 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:05 (b) 13:05 (c) 15:05
36. 36.How many hours are there from 08:00 to 22:00?
37. 37.A match starts at 15:35 and lasts 1 hour 30 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
38. 38.What is 09:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 a.m.
39. 39.A train leaves at 07:35 and reaches at 10:10. How long is the journey (in minutes)?
40. 40.How many hours are there from 10:00 to 16:00?

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