Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 476 · 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 10:45 p.m. in 24-hour time. (a) 00:45 (b) 22:45 (c) 10:45
2. 2.A train leaves at 15:20 and reaches at 16:55. How long is the journey (in minutes)?
3. 3.A train leaves at 19:25 and reaches at 19:55. How long is the journey (in minutes)?
4. 4.How many hours are there from 05:00 to 23:00?
5. 5.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 13:20 (c) 01:20
6. 6.A train leaves at 11:00 and reaches at 14:20. How long is the journey (in minutes)?
7. 7.A film is 3 hours 30 minutes long. How many minutes is that?
8. 8.A film is 3 hours 15 minutes long. How many minutes is that?
9. 9.A match starts at 06:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 09:20 (b) 08:20 (c) 10:20
10. 10.A train leaves at 09:10 and reaches at 12:25. How long is the journey (in minutes)?
11. 11.How many hours are there from 07:00 to 17:00?
12. 12.A match starts at 12:20 and lasts 1 hour 55 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 13:15
13. 13.What is 09:55 in 12-hour time? (a) 9:55 a.m. (b) 9:55 p.m. (c) 11:55 a.m.
14. 14.How many hours are there from 07:00 to 22:00?
15. 15.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 6:00 a.m. (c) 4:00 a.m.
16. 16.What is 13:30 in 12-hour time? (a) 1:30 p.m. (b) 3:30 p.m. (c) 1:30 a.m.
17. 17.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 p.m. (c) 9:50 p.m.
18. 18.A train leaves at 16:40 and reaches at 18:40. How long is the journey (in minutes)?
19. 19.What is 17:45 in 12-hour time? (a) 5:45 p.m. (b) 7:45 p.m. (c) 5:45 a.m.
20. 20.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 a.m. (c) 6:45 a.m.
21. 21.How many hours are there from 06:00 to 12:00?
22. 22.A train leaves at 11:40 and reaches at 14:35. How long is the journey (in minutes)?
23. 23.A train leaves at 08:20 and reaches at 09:50. How long is the journey (in minutes)?
24. 24.How many hours are there from 07:00 to 19:00?
25. 25.A film is 2 hours 35 minutes long. How many minutes is that?
26. 26.Write 6:15 a.m. in 24-hour time. (a) 18:15 (b) 08:15 (c) 06:15
27. 27.Write 10:05 p.m. in 24-hour time. (a) 00:05 (b) 22:05 (c) 10:05
28. 28.A train leaves at 16:30 and reaches at 18:35. How long is the journey (in minutes)?
29. 29.A match starts at 10:25 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:50 (b) 12:50 (c) 11:50
30. 30.How many hours are there from 07:00 to 16:00?
31. 31.A train leaves at 15:10 and reaches at 17:20. How long is the journey (in minutes)?
32. 32.A film is 1 hour 50 minutes long. How many minutes is that?
33. 33.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 09:05 (c) 11:05
34. 34.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 16:35 (c) 02:35
35. 35.A match starts at 09:45 and lasts 3 hours 20 minutes. At what time does it end? (a) 14:05 (b) 13:05 (c) 12:05
36. 36.A train leaves at 09:10 and reaches at 10:40. How long is the journey (in minutes)?
37. 37.A film is 1 hour 10 minutes long. How many minutes is that?
38. 38.A match starts at 10:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:15 (b) 12:15 (c) 11:15
39. 39.A train leaves at 17:50 and reaches at 18:55. How long is the journey (in minutes)?
40. 40.What is 23:25 in 12-hour time? (a) 11:25 a.m. (b) 1:25 p.m. (c) 11:25 p.m.

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