Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 557 · 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 8:45 a.m. in 24-hour time. (a) 08:45 (b) 10:45 (c) 20:45
2. 2.What is 06:25 in 12-hour time? (a) 6:25 p.m. (b) 6:25 a.m. (c) 8:25 a.m.
3. 3.A match starts at 14:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 17:45 (b) 19:45 (c) 18:45
4. 4.A match starts at 07:10 and lasts 2 hours 25 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 08:35
5. 5.A match starts at 13:25 and lasts 1 hour 30 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 13:55
6. 6.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 03:20 (c) 13:20
7. 7.Write 1:30 p.m. in 24-hour time. (a) 13:30 (b) 01:30 (c) 15:30
8. 8.A match starts at 12:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
9. 9.A match starts at 08:40 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:00 (b) 09:00 (c) 10:00
10. 10.A film is 4 hours 50 minutes long. How many minutes is that?
11. 11.What is 11:30 in 12-hour time? (a) 1:30 a.m. (b) 11:30 a.m. (c) 11:30 p.m.
12. 12.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 9:50 p.m. (c) 11:50 p.m.
13. 13.What is 19:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 p.m.
14. 14.A match starts at 06:50 and lasts 3 hours 15 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 09:05
15. 15.A train leaves at 09:15 and reaches at 12:35. How long is the journey (in minutes)?
16. 16.How many hours are there from 11:00 to 22:00?
17. 17.How many hours are there from 07:00 to 23:00?
18. 18.A film is 2 hours 5 minutes long. How many minutes is that?
19. 19.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
20. 20.How many hours are there from 10:00 to 22:00?
21. 21.Write 9:30 a.m. in 24-hour time. (a) 09:30 (b) 11:30 (c) 21:30
22. 22.What is 06:35 in 12-hour time? (a) 6:35 a.m. (b) 6:35 p.m. (c) 8:35 a.m.
23. 23.A match starts at 14:15 and lasts 4 hours 5 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 19:20
24. 24.How many hours are there from 09:00 to 18:00?
25. 25.A train leaves at 07:15 and reaches at 07:40. How long is the journey (in minutes)?
26. 26.A match starts at 16:00 and lasts 4 hours 50 minutes. At what time does it end? (a) 19:50 (b) 21:50 (c) 20:50
27. 27.What is 18:15 in 12-hour time? (a) 6:15 p.m. (b) 8:15 p.m. (c) 6:15 a.m.
28. 28.What is 23:15 in 12-hour time? (a) 1:15 p.m. (b) 11:15 a.m. (c) 11:15 p.m.
29. 29.A film is 4 hours 55 minutes long. How many minutes is that?
30. 30.What is 03:10 in 12-hour time? (a) 5:10 a.m. (b) 3:10 p.m. (c) 3:10 a.m.
31. 31.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 16:40 (c) 06:40
32. 32.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 22:40 (c) 08:40
33. 33.A match starts at 11:15 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:00 (b) 14:00 (c) 15:00
34. 34.A match starts at 09:25 and lasts 2 hours 25 minutes. At what time does it end? (a) 10:50 (b) 11:50 (c) 12:50
35. 35.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 p.m. (c) 5:35 a.m.
36. 36.Write 7:45 p.m. in 24-hour time. (a) 07:45 (b) 21:45 (c) 19:45
37. 37.Write 8:55 a.m. in 24-hour time. (a) 20:55 (b) 10:55 (c) 08:55
38. 38.What is 11:05 in 12-hour time? (a) 11:05 a.m. (b) 11:05 p.m. (c) 1:05 a.m.
39. 39.A film is 4 hours 5 minutes long. How many minutes is that?
40. 40.A train leaves at 12:05 and reaches at 12:40. How long is the journey (in minutes)?

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