Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 86 · 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.How many hours are there from 06:00 to 14:00?
2. 2.A film is 4 hours 45 minutes long. How many minutes is that?
3. 3.A film is 3 hours 25 minutes long. How many minutes is that?
4. 4.How many hours are there from 07:00 to 15:00?
5. 5.What is 21:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 p.m.
6. 6.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 a.m. (c) 1:55 p.m.
7. 7.A film is 1 hour 25 minutes long. How many minutes is that?
8. 8.What is 15:45 in 12-hour time? (a) 3:45 p.m. (b) 3:45 a.m. (c) 5:45 p.m.
9. 9.A match starts at 08:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 10:00 (b) 12:00 (c) 11:00
10. 10.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 p.m. (c) 4:05 a.m.
11. 11.A match starts at 10:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
12. 12.A train leaves at 13:20 and reaches at 15:25. How long is the journey (in minutes)?
13. 13.A train leaves at 10:15 and reaches at 11:40. How long is the journey (in minutes)?
14. 14.Write 9:35 a.m. in 24-hour time. (a) 09:35 (b) 21:35 (c) 11:35
15. 15.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 01:30 (c) 13:30
16. 16.What is 07:05 in 12-hour time? (a) 7:05 a.m. (b) 9:05 a.m. (c) 7:05 p.m.
17. 17.What is 22:40 in 12-hour time? (a) 10:40 a.m. (b) 12:40 p.m. (c) 10:40 p.m.
18. 18.A train leaves at 16:15 and reaches at 19:20. How long is the journey (in minutes)?
19. 19.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 p.m. (c) 1:35 p.m.
20. 20.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 10:15 (c) 08:15
21. 21.What is 08:45 in 12-hour time? (a) 8:45 a.m. (b) 8:45 p.m. (c) 10:45 a.m.
22. 22.A match starts at 16:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 19:05 (b) 21:05 (c) 20:05
23. 23.What is 06:25 in 12-hour time? (a) 6:25 a.m. (b) 8:25 a.m. (c) 6:25 p.m.
24. 24.A train leaves at 11:05 and reaches at 12:10. How long is the journey (in minutes)?
25. 25.A train leaves at 09:10 and reaches at 09:40. How long is the journey (in minutes)?
26. 26.A film is 1 hour 15 minutes long. How many minutes is that?
27. 27.What is 07:15 in 12-hour time? (a) 9:15 a.m. (b) 7:15 p.m. (c) 7:15 a.m.
28. 28.How many hours are there from 12:00 to 16:00?
29. 29.A match starts at 17:15 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 22:35
30. 30.A train leaves at 15:35 and reaches at 18:55. How long is the journey (in minutes)?
31. 31.Write 8:30 p.m. in 24-hour time. (a) 22:30 (b) 08:30 (c) 20:30
32. 32.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 p.m. (c) 9:00 a.m.
33. 33.A match starts at 06:45 and lasts 3 hours 20 minutes. At what time does it end? (a) 09:05 (b) 10:05 (c) 11:05
34. 34.A match starts at 16:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 20:55 (b) 18:55 (c) 19:55
35. 35.A train leaves at 12:40 and reaches at 14:30. How long is the journey (in minutes)?
36. 36.A match starts at 11:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 13:50 (b) 11:50 (c) 12:50
37. 37.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 8:10 a.m. (c) 10:10 p.m.
38. 38.A film is 2 hours 30 minutes long. How many minutes is that?
39. 39.How many hours are there from 05:00 to 09:00?
40. 40.A train leaves at 12:40 and reaches at 13:20. How long is the journey (in minutes)?

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