Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 884 · 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 11:55 a.m. in 24-hour time. (a) 23:55 (b) 13:55 (c) 11:55
2. 2.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 02:15 (c) 14:15
3. 3.A match starts at 07:15 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:55 (b) 10:55 (c) 11:55
4. 4.Write 7:15 a.m. in 24-hour time. (a) 09:15 (b) 19:15 (c) 07:15
5. 5.A film is 4 hours 20 minutes long. How many minutes is that?
6. 6.A match starts at 15:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 20:55 (b) 19:55 (c) 18:55
7. 7.What is 16:50 in 12-hour time? (a) 4:50 p.m. (b) 6:50 p.m. (c) 4:50 a.m.
8. 8.A train leaves at 15:10 and reaches at 15:55. How long is the journey (in minutes)?
9. 9.A train leaves at 17:15 and reaches at 18:15. How long is the journey (in minutes)?
10. 10.What is 23:25 in 12-hour time? (a) 1:25 p.m. (b) 11:25 p.m. (c) 11:25 a.m.
11. 11.A match starts at 06:55 and lasts 3 hours 55 minutes. At what time does it end? (a) 11:50 (b) 09:50 (c) 10:50
12. 12.Write 5:20 p.m. in 24-hour time. (a) 05:20 (b) 17:20 (c) 19:20
13. 13.A match starts at 07:10 and lasts 2 hours 45 minutes. At what time does it end? (a) 10:55 (b) 08:55 (c) 09:55
14. 14.A film is 1 hour 30 minutes long. How many minutes is that?
15. 15.What is 14:20 in 12-hour time? (a) 2:20 p.m. (b) 2:20 a.m. (c) 4:20 p.m.
16. 16.A match starts at 08:50 and lasts 3 hours 30 minutes. At what time does it end? (a) 11:20 (b) 12:20 (c) 13:20
17. 17.Write 2:10 p.m. in 24-hour time. (a) 16:10 (b) 14:10 (c) 02:10
18. 18.What is 03:45 in 12-hour time? (a) 5:45 a.m. (b) 3:45 a.m. (c) 3:45 p.m.
19. 19.A train leaves at 08:00 and reaches at 11:15. How long is the journey (in minutes)?
20. 20.What is 11:55 in 12-hour time? (a) 11:55 p.m. (b) 1:55 a.m. (c) 11:55 a.m.
21. 21.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 10:20 p.m. (c) 12:20 p.m.
22. 22.A match starts at 15:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:40 (b) 16:40 (c) 18:40
23. 23.How many hours are there from 11:00 to 16:00?
24. 24.A film is 3 hours 10 minutes long. How many minutes is that?
25. 25.What is 06:40 in 12-hour time? (a) 8:40 a.m. (b) 6:40 a.m. (c) 6:40 p.m.
26. 26.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 02:05 (c) 14:05
27. 27.A train leaves at 10:10 and reaches at 12:35. How long is the journey (in minutes)?
28. 28.A film is 2 hours 15 minutes long. How many minutes is that?
29. 29.Write 9:15 p.m. in 24-hour time. (a) 21:15 (b) 09:15 (c) 23:15
30. 30.How many hours are there from 08:00 to 17:00?
31. 31.What is 09:35 in 12-hour time? (a) 11:35 a.m. (b) 9:35 a.m. (c) 9:35 p.m.
32. 32.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 07:50 (c) 09:50
33. 33.What is 06:30 in 12-hour time? (a) 6:30 a.m. (b) 8:30 a.m. (c) 6:30 p.m.
34. 34.A film is 3 hours 15 minutes long. How many minutes is that?
35. 35.A film is 1 hour 15 minutes long. How many minutes is that?
36. 36.How many hours are there from 07:00 to 11:00?
37. 37.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 10:20 (c) 20:20
38. 38.What is 15:45 in 12-hour time? (a) 5:45 p.m. (b) 3:45 a.m. (c) 3:45 p.m.
39. 39.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 p.m. (c) 4:35 a.m.
40. 40.A match starts at 11:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:50 (b) 13:50 (c) 11:50

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