Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 279 · 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 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 p.m. (c) 3:15 a.m.
2. 2.A match starts at 15:10 and lasts 3 hours 20 minutes. At what time does it end? (a) 19:30 (b) 18:30 (c) 17:30
3. 3.A film is 3 hours 10 minutes long. How many minutes is that?
4. 4.What is 22:30 in 12-hour time? (a) 12:30 p.m. (b) 10:30 a.m. (c) 10:30 p.m.
5. 5.A film is 2 hours 20 minutes long. How many minutes is that?
6. 6.What is 15:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 p.m. (c) 3:55 a.m.
7. 7.How many hours are there from 08:00 to 21:00?
8. 8.A match starts at 16:45 and lasts 4 hours 15 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 22:00
9. 9.A match starts at 08:50 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:00 (b) 12:00 (c) 13:00
10. 10.A film is 4 hours 20 minutes long. How many minutes is that?
11. 11.What is 04:45 in 12-hour time? (a) 6:45 a.m. (b) 4:45 a.m. (c) 4:45 p.m.
12. 12.How many hours are there from 06:00 to 10:00?
13. 13.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 p.m.
14. 14.How many hours are there from 10:00 to 23:00?
15. 15.A train leaves at 18:05 and reaches at 19:45. How long is the journey (in minutes)?
16. 16.Write 4:20 a.m. in 24-hour time. (a) 16:20 (b) 06:20 (c) 04:20
17. 17.How many hours are there from 05:00 to 11:00?
18. 18.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 05:35 (c) 03:35
19. 19.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 p.m. (c) 3:05 p.m.
20. 20.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 03:05 (c) 05:05
21. 21.What is 01:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 a.m.
22. 22.What is 07:40 in 12-hour time? (a) 7:40 a.m. (b) 7:40 p.m. (c) 9:40 a.m.
23. 23.A match starts at 08:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:05 (b) 10:05 (c) 09:05
24. 24.How many hours are there from 09:00 to 14:00?
25. 25.How many hours are there from 12:00 to 21:00?
26. 26.A match starts at 16:00 and lasts 2 hours 45 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
27. 27.What is 14:05 in 12-hour time? (a) 4:05 p.m. (b) 2:05 p.m. (c) 2:05 a.m.
28. 28.A match starts at 09:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 12:25 (b) 13:25 (c) 11:25
29. 29.A film is 4 hours 10 minutes long. How many minutes is that?
30. 30.Write 3:20 p.m. in 24-hour time. (a) 17:20 (b) 15:20 (c) 03:20
31. 31.Write 10:15 a.m. in 24-hour time. (a) 12:15 (b) 22:15 (c) 10:15
32. 32.A film is 4 hours 15 minutes long. How many minutes is that?
33. 33.A match starts at 16:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 19:45 (b) 20:45 (c) 18:45
34. 34.A match starts at 10:55 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 14:45
35. 35.A train leaves at 11:15 and reaches at 12:15. How long is the journey (in minutes)?
36. 36.Write 9:10 a.m. in 24-hour time. (a) 09:10 (b) 21:10 (c) 11:10
37. 37.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 a.m. (c) 7:05 p.m.
38. 38.Write 9:25 a.m. in 24-hour time. (a) 11:25 (b) 21:25 (c) 09:25
39. 39.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 20:15 (c) 22:15
40. 40.A match starts at 14:20 and lasts 4 hours 55 minutes. At what time does it end? (a) 18:15 (b) 20:15 (c) 19:15

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