Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 933 · 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 08:05 in 12-hour time? (a) 10:05 a.m. (b) 8:05 p.m. (c) 8:05 a.m.
2. 2.What is 18:50 in 12-hour time? (a) 8:50 p.m. (b) 6:50 a.m. (c) 6:50 p.m.
3. 3.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 a.m. (c) 2:00 a.m.
4. 4.A train leaves at 12:35 and reaches at 15:55. How long is the journey (in minutes)?
5. 5.A film is 3 hours 15 minutes long. How many minutes is that?
6. 6.A film is 2 hours 40 minutes long. How many minutes is that?
7. 7.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 13:10 (c) 11:10
8. 8.Write 2:40 p.m. in 24-hour time. (a) 16:40 (b) 02:40 (c) 14:40
9. 9.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 p.m. (c) 2:05 p.m.
10. 10.A film is 1 hour 15 minutes long. How many minutes is that?
11. 11.What is 08:30 in 12-hour time? (a) 8:30 p.m. (b) 10:30 a.m. (c) 8:30 a.m.
12. 12.How many hours are there from 08:00 to 13:00?
13. 13.A train leaves at 18:50 and reaches at 21:00. How long is the journey (in minutes)?
14. 14.A train leaves at 09:30 and reaches at 11:15. How long is the journey (in minutes)?
15. 15.How many hours are there from 06:00 to 10:00?
16. 16.A film is 2 hours 35 minutes long. How many minutes is that?
17. 17.What is 11:35 in 12-hour time? (a) 11:35 p.m. (b) 1:35 a.m. (c) 11:35 a.m.
18. 18.A film is 1 hour 25 minutes long. How many minutes is that?
19. 19.Write 9:05 p.m. in 24-hour time. (a) 09:05 (b) 21:05 (c) 23:05
20. 20.A match starts at 08:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:35 (b) 10:35 (c) 09:35
21. 21.A film is 4 hours 20 minutes long. How many minutes is that?
22. 22.A train leaves at 11:35 and reaches at 13:45. How long is the journey (in minutes)?
23. 23.What is 14:50 in 12-hour time? (a) 2:50 a.m. (b) 4:50 p.m. (c) 2:50 p.m.
24. 24.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 02:55 (c) 14:55
25. 25.A film is 2 hours 45 minutes long. How many minutes is that?
26. 26.How many hours are there from 12:00 to 20:00?
27. 27.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
28. 28.A match starts at 13:00 and lasts 1 hour 40 minutes. At what time does it end? (a) 14:40 (b) 13:40 (c) 15:40
29. 29.A match starts at 16:00 and lasts 2 hours 40 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
30. 30.A train leaves at 08:55 and reaches at 12:15. How long is the journey (in minutes)?
31. 31.Write 2:30 p.m. in 24-hour time. (a) 02:30 (b) 16:30 (c) 14:30
32. 32.What is 10:55 in 12-hour time? (a) 10:55 p.m. (b) 10:55 a.m. (c) 12:55 a.m.
33. 33.A match starts at 17:30 and lasts 4 hours 5 minutes. At what time does it end? (a) 22:35 (b) 20:35 (c) 21:35
34. 34.How many hours are there from 07:00 to 23:00?
35. 35.A train leaves at 06:30 and reaches at 07:10. How long is the journey (in minutes)?
36. 36.A match starts at 10:50 and lasts 1 hour. At what time does it end? (a) 11:50 (b) 10:50 (c) 12:50
37. 37.A train leaves at 07:05 and reaches at 09:00. How long is the journey (in minutes)?
38. 38.How many hours are there from 11:00 to 17:00?
39. 39.How many hours are there from 11:00 to 15:00?
40. 40.A film is 2 hours 20 minutes long. How many minutes is that?

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