Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 634 · 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 10:05 a.m. in 24-hour time. (a) 12:05 (b) 10:05 (c) 22:05
2. 2.A match starts at 17:35 and lasts 4 hours 5 minutes. At what time does it end? (a) 22:40 (b) 20:40 (c) 21:40
3. 3.Write 3:20 p.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 17:20
4. 4.What is 19:00 in 12-hour time? (a) 7:00 p.m. (b) 9:00 p.m. (c) 7:00 a.m.
5. 5.A film is 1 hour 20 minutes long. How many minutes is that?
6. 6.What is 20:25 in 12-hour time? (a) 10:25 p.m. (b) 8:25 p.m. (c) 8:25 a.m.
7. 7.A train leaves at 19:35 and reaches at 21:45. How long is the journey (in minutes)?
8. 8.A match starts at 07:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 12:45 (b) 11:45 (c) 10:45
9. 9.What is 18:15 in 12-hour time? (a) 8:15 p.m. (b) 6:15 a.m. (c) 6:15 p.m.
10. 10.A match starts at 18:15 and lasts 4 hours. At what time does it end? (a) 21:15 (b) 23:15 (c) 22:15
11. 11.A train leaves at 09:20 and reaches at 11:15. How long is the journey (in minutes)?
12. 12.How many hours are there from 06:00 to 22:00?
13. 13.How many hours are there from 07:00 to 17:00?
14. 14.A train leaves at 19:55 and reaches at 21:35. How long is the journey (in minutes)?
15. 15.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 16:15
16. 16.How many hours are there from 12:00 to 15:00?
17. 17.A match starts at 15:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 16:40 (b) 17:40 (c) 18:40
18. 18.How many hours are there from 05:00 to 19:00?
19. 19.What is 02:50 in 12-hour time? (a) 4:50 a.m. (b) 2:50 p.m. (c) 2:50 a.m.
20. 20.A film is 3 hours 55 minutes long. How many minutes is that?
21. 21.A film is 3 hours 20 minutes long. How many minutes is that?
22. 22.How many hours are there from 12:00 to 23:00?
23. 23.A film is 1 hour 45 minutes long. How many minutes is that?
24. 24.A train leaves at 17:50 and reaches at 20:20. How long is the journey (in minutes)?
25. 25.How many hours are there from 11:00 to 16:00?
26. 26.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 p.m. (c) 7:30 a.m.
27. 27.What is 14:30 in 12-hour time? (a) 2:30 p.m. (b) 4:30 p.m. (c) 2:30 a.m.
28. 28.Write 11:30 a.m. in 24-hour time. (a) 23:30 (b) 13:30 (c) 11:30
29. 29.A match starts at 12:00 and lasts 1 hour. At what time does it end? (a) 14:00 (b) 13:00 (c) 12:00
30. 30.A train leaves at 06:15 and reaches at 09:30. How long is the journey (in minutes)?
31. 31.A match starts at 13:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 16:45 (b) 17:45 (c) 18:45
32. 32.A train leaves at 06:00 and reaches at 08:40. How long is the journey (in minutes)?
33. 33.A match starts at 12:45 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 16:20
34. 34.A film is 2 hours 20 minutes long. How many minutes is that?
35. 35.What is 16:15 in 12-hour time? (a) 4:15 a.m. (b) 4:15 p.m. (c) 6:15 p.m.
36. 36.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 01:00 (c) 13:00
37. 37.A match starts at 07:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:00 (b) 08:00 (c) 10:00
38. 38.A film is 4 hours 15 minutes long. How many minutes is that?
39. 39.A train leaves at 11:30 and reaches at 12:10. How long is the journey (in minutes)?
40. 40.A train leaves at 06:30 and reaches at 07:05. How long is the journey (in minutes)?

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