Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 677 · 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 4:50 p.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 18:50
2. 2.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 p.m. (c) 2:25 a.m.
3. 3.A match starts at 18:50 and lasts 1 hour 50 minutes. At what time does it end? (a) 21:40 (b) 20:40 (c) 19:40
4. 4.A match starts at 10:25 and lasts 1 hour 40 minutes. At what time does it end? (a) 13:05 (b) 11:05 (c) 12:05
5. 5.A film is 1 hour 10 minutes long. How many minutes is that?
6. 6.Write 3:25 a.m. in 24-hour time. (a) 15:25 (b) 05:25 (c) 03:25
7. 7.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 05:05 (c) 03:05
8. 8.What is 11:45 in 12-hour time? (a) 11:45 a.m. (b) 1:45 a.m. (c) 11:45 p.m.
9. 9.A match starts at 07:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 09:45 (b) 07:45 (c) 08:45
10. 10.A match starts at 12:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 13:40 (b) 14:40 (c) 15:40
11. 11.A film is 4 hours 15 minutes long. How many minutes is that?
12. 12.A film is 4 hours 30 minutes long. How many minutes is that?
13. 13.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 p.m. (c) 8:55 p.m.
14. 14.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
15. 15.A film is 4 hours 50 minutes long. How many minutes is that?
16. 16.Write 11:45 a.m. in 24-hour time. (a) 13:45 (b) 23:45 (c) 11:45
17. 17.How many hours are there from 10:00 to 16:00?
18. 18.Write 10:30 p.m. in 24-hour time. (a) 00:30 (b) 22:30 (c) 10:30
19. 19.A match starts at 18:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 21:30 (b) 19:30 (c) 20:30
20. 20.What is 03:55 in 12-hour time? (a) 3:55 a.m. (b) 3:55 p.m. (c) 5:55 a.m.
21. 21.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 12:50 a.m. (c) 10:50 a.m.
22. 22.A match starts at 11:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:05 (b) 14:05 (c) 15:05
23. 23.A film is 2 hours 55 minutes long. How many minutes is that?
24. 24.A match starts at 11:10 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
25. 25.A train leaves at 08:40 and reaches at 11:45. How long is the journey (in minutes)?
26. 26.A match starts at 06:40 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:15 (b) 07:15 (c) 09:15
27. 27.What is 07:15 in 12-hour time? (a) 9:15 a.m. (b) 7:15 a.m. (c) 7:15 p.m.
28. 28.A train leaves at 17:00 and reaches at 18:30. How long is the journey (in minutes)?
29. 29.A match starts at 08:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:15 (b) 08:15 (c) 09:15
30. 30.Write 10:55 a.m. in 24-hour time. (a) 12:55 (b) 22:55 (c) 10:55
31. 31.How many hours are there from 08:00 to 20:00?
32. 32.A match starts at 15:00 and lasts 4 hours 40 minutes. At what time does it end? (a) 18:40 (b) 20:40 (c) 19:40
33. 33.A film is 3 hours 15 minutes long. How many minutes is that?
34. 34.A train leaves at 15:20 and reaches at 17:05. How long is the journey (in minutes)?
35. 35.Write 10:00 a.m. in 24-hour time. (a) 12:00 (b) 10:00 (c) 22:00
36. 36.How many hours are there from 05:00 to 15:00?
37. 37.A match starts at 14:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 20:25 (b) 18:25 (c) 19:25
38. 38.How many hours are there from 09:00 to 18:00?
39. 39.Write 7:25 p.m. in 24-hour time. (a) 21:25 (b) 19:25 (c) 07:25
40. 40.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 13:50 (c) 23:50

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