Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 154 · 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 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 a.m. (c) 4:05 p.m.
2. 2.How many hours are there from 10:00 to 21:00?
3. 3.What is 15:25 in 12-hour time? (a) 5:25 p.m. (b) 3:25 a.m. (c) 3:25 p.m.
4. 4.Write 7:00 p.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 21:00
5. 5.How many hours are there from 10:00 to 22:00?
6. 6.How many hours are there from 07:00 to 20:00?
7. 7.A film is 4 hours 35 minutes long. How many minutes is that?
8. 8.A train leaves at 14:25 and reaches at 16:55. How long is the journey (in minutes)?
9. 9.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 a.m. (c) 5:35 p.m.
10. 10.A film is 4 hours 55 minutes long. How many minutes is that?
11. 11.A film is 2 hours 10 minutes long. How many minutes is that?
12. 12.A film is 4 hours 20 minutes long. How many minutes is that?
13. 13.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 06:15 (c) 04:15
14. 14.A match starts at 13:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 14:20
15. 15.Write 8:45 p.m. in 24-hour time. (a) 20:45 (b) 22:45 (c) 08:45
16. 16.A train leaves at 16:30 and reaches at 17:25. How long is the journey (in minutes)?
17. 17.A match starts at 12:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 16:40
18. 18.What is 16:35 in 12-hour time? (a) 4:35 p.m. (b) 6:35 p.m. (c) 4:35 a.m.
19. 19.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 a.m. (c) 1:55 a.m.
20. 20.How many hours are there from 05:00 to 19:00?
21. 21.A train leaves at 06:50 and reaches at 09:15. How long is the journey (in minutes)?
22. 22.What is 23:50 in 12-hour time? (a) 11:50 p.m. (b) 1:50 p.m. (c) 11:50 a.m.
23. 23.A match starts at 14:35 and lasts 2 hours 10 minutes. At what time does it end? (a) 15:45 (b) 16:45 (c) 17:45
24. 24.A film is 1 hour 45 minutes long. How many minutes is that?
25. 25.Write 4:00 a.m. in 24-hour time. (a) 04:00 (b) 06:00 (c) 16:00
26. 26.How many hours are there from 05:00 to 13:00?
27. 27.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 a.m. (c) 3:00 a.m.
28. 28.What is 08:20 in 12-hour time? (a) 8:20 p.m. (b) 10:20 a.m. (c) 8:20 a.m.
29. 29.A train leaves at 08:35 and reaches at 11:00. How long is the journey (in minutes)?
30. 30.A match starts at 06:50 and lasts 4 hours 45 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
31. 31.How many hours are there from 05:00 to 20:00?
32. 32.A match starts at 07:40 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:50 (b) 11:50 (c) 09:50
33. 33.Write 5:40 a.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 07:40
34. 34.A train leaves at 15:20 and reaches at 18:00. How long is the journey (in minutes)?
35. 35.A match starts at 17:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 21:05 (b) 19:05 (c) 20:05
36. 36.Write 11:55 a.m. in 24-hour time. (a) 11:55 (b) 13:55 (c) 23:55
37. 37.Write 11:20 p.m. in 24-hour time. (a) 11:20 (b) 01:20 (c) 23:20
38. 38.A train leaves at 18:10 and reaches at 19:25. How long is the journey (in minutes)?
39. 39.A train leaves at 12:05 and reaches at 13:20. How long is the journey (in minutes)?
40. 40.A film is 3 hours 45 minutes long. How many minutes is that?

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