Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 813 · 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 05:10 in 12-hour time? (a) 5:10 p.m. (b) 7:10 a.m. (c) 5:10 a.m.
2. 2.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 p.m.
3. 3.A train leaves at 07:15 and reaches at 08:15. How long is the journey (in minutes)?
4. 4.How many hours are there from 06:00 to 20:00?
5. 5.A film is 3 hours 40 minutes long. How many minutes is that?
6. 6.A film is 3 hours 50 minutes long. How many minutes is that?
7. 7.How many hours are there from 07:00 to 23:00?
8. 8.A train leaves at 10:50 and reaches at 11:25. How long is the journey (in minutes)?
9. 9.A train leaves at 15:35 and reaches at 17:55. How long is the journey (in minutes)?
10. 10.A match starts at 11:30 and lasts 3 hours 15 minutes. At what time does it end? (a) 14:45 (b) 15:45 (c) 13:45
11. 11.A film is 1 hour 45 minutes long. How many minutes is that?
12. 12.A match starts at 11:50 and lasts 1 hour 45 minutes. At what time does it end? (a) 13:35 (b) 14:35 (c) 12:35
13. 13.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 03:50 (c) 15:50
14. 14.A match starts at 08:55 and lasts 2 hours. At what time does it end? (a) 10:55 (b) 11:55 (c) 09:55
15. 15.Write 8:25 a.m. in 24-hour time. (a) 10:25 (b) 20:25 (c) 08:25
16. 16.A train leaves at 12:10 and reaches at 15:05. How long is the journey (in minutes)?
17. 17.What is 15:05 in 12-hour time? (a) 5:05 p.m. (b) 3:05 a.m. (c) 3:05 p.m.
18. 18.How many hours are there from 12:00 to 23:00?
19. 19.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 17:00 (c) 15:00
20. 20.A train leaves at 15:10 and reaches at 18:25. How long is the journey (in minutes)?
21. 21.A match starts at 07:45 and lasts 1 hour. At what time does it end? (a) 09:45 (b) 08:45 (c) 07:45
22. 22.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 p.m. (c) 10:20 p.m.
23. 23.What is 20:15 in 12-hour time? (a) 10:15 p.m. (b) 8:15 a.m. (c) 8:15 p.m.
24. 24.A match starts at 14:20 and lasts 1 hour 30 minutes. At what time does it end? (a) 15:50 (b) 14:50 (c) 16:50
25. 25.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 2:05 a.m. (c) 4:05 a.m.
26. 26.A train leaves at 06:30 and reaches at 06:55. How long is the journey (in minutes)?
27. 27.A film is 1 hour 55 minutes long. How many minutes is that?
28. 28.Write 3:50 p.m. in 24-hour time. (a) 15:50 (b) 03:50 (c) 17:50
29. 29.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 04:50
30. 30.How many hours are there from 07:00 to 21:00?
31. 31.A match starts at 15:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 20:00 (b) 18:00 (c) 19:00
32. 32.A film is 2 hours 45 minutes long. How many minutes is that?
33. 33.A train leaves at 13:10 and reaches at 14:55. How long is the journey (in minutes)?
34. 34.A match starts at 07:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 08:05 (b) 09:05 (c) 10:05
35. 35.A film is 1 hour 50 minutes long. How many minutes is that?
36. 36.What is 06:35 in 12-hour time? (a) 8:35 a.m. (b) 6:35 a.m. (c) 6:35 p.m.
37. 37.How many hours are there from 12:00 to 18:00?
38. 38.A match starts at 18:55 and lasts 2 hours 50 minutes. At what time does it end? (a) 21:45 (b) 22:45 (c) 20:45
39. 39.A film is 1 hour 30 minutes long. How many minutes is that?
40. 40.Write 7:50 p.m. in 24-hour time. (a) 19:50 (b) 21:50 (c) 07:50

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