Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 263 · 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 2:15 a.m. in 24-hour time. (a) 02:15 (b) 04:15 (c) 14:15
2. 2.Write 3:15 p.m. in 24-hour time. (a) 17:15 (b) 03:15 (c) 15:15
3. 3.A film is 4 hours 50 minutes long. How many minutes is that?
4. 4.How many hours are there from 11:00 to 17:00?
5. 5.What is 02:40 in 12-hour time? (a) 2:40 p.m. (b) 2:40 a.m. (c) 4:40 a.m.
6. 6.A match starts at 08:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 10:05 (b) 12:05 (c) 11:05
7. 7.A match starts at 15:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 19:50 (b) 17:50 (c) 18:50
8. 8.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 9:50 p.m. (c) 11:50 p.m.
9. 9.A match starts at 18:35 and lasts 1 hour 25 minutes. At what time does it end? (a) 21:00 (b) 19:00 (c) 20:00
10. 10.What is 15:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 p.m. (c) 3:05 a.m.
11. 11.A match starts at 07:20 and lasts 2 hours 55 minutes. At what time does it end? (a) 09:15 (b) 10:15 (c) 11:15
12. 12.A train leaves at 15:15 and reaches at 17:55. How long is the journey (in minutes)?
13. 13.Write 6:30 p.m. in 24-hour time. (a) 20:30 (b) 06:30 (c) 18:30
14. 14.How many hours are there from 07:00 to 12:00?
15. 15.A film is 2 hours 25 minutes long. How many minutes is that?
16. 16.A match starts at 17:45 and lasts 4 hours 10 minutes. At what time does it end? (a) 21:55 (b) 20:55 (c) 22:55
17. 17.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 4:55 p.m. (c) 6:55 a.m.
18. 18.How many hours are there from 11:00 to 21:00?
19. 19.A train leaves at 14:05 and reaches at 15:05. How long is the journey (in minutes)?
20. 20.A train leaves at 06:35 and reaches at 07:00. How long is the journey (in minutes)?
21. 21.A match starts at 15:35 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:45 (b) 18:45 (c) 17:45
22. 22.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 7:40 p.m. (c) 9:40 p.m.
23. 23.What is 23:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 p.m.
24. 24.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 19:35 (c) 07:35
25. 25.How many hours are there from 06:00 to 22:00?
26. 26.A train leaves at 12:35 and reaches at 14:55. How long is the journey (in minutes)?
27. 27.Write 1:55 p.m. in 24-hour time. (a) 01:55 (b) 15:55 (c) 13:55
28. 28.A match starts at 12:55 and lasts 2 hours 50 minutes. At what time does it end? (a) 16:45 (b) 14:45 (c) 15:45
29. 29.A train leaves at 11:50 and reaches at 15:10. How long is the journey (in minutes)?
30. 30.A film is 1 hour 10 minutes long. How many minutes is that?
31. 31.Write 10:55 a.m. in 24-hour time. (a) 12:55 (b) 22:55 (c) 10:55
32. 32.How many hours are there from 05:00 to 18:00?
33. 33.What is 07:00 in 12-hour time? (a) 7:00 a.m. (b) 9:00 a.m. (c) 7:00 p.m.
34. 34.A train leaves at 12:40 and reaches at 14:30. How long is the journey (in minutes)?
35. 35.Write 7:30 a.m. in 24-hour time. (a) 07:30 (b) 09:30 (c) 19:30
36. 36.How many hours are there from 06:00 to 20:00?
37. 37.How many hours are there from 11:00 to 15:00?
38. 38.A train leaves at 16:10 and reaches at 18:30. How long is the journey (in minutes)?
39. 39.A film is 2 hours 40 minutes long. How many minutes is that?
40. 40.A match starts at 18:45 and lasts 2 hours 45 minutes. At what time does it end? (a) 20:30 (b) 21:30 (c) 22:30

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