Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 523 · 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 1:10 p.m. in 24-hour time. (a) 13:10 (b) 15:10 (c) 01:10
2. 2.A train leaves at 08:15 and reaches at 11:20. How long is the journey (in minutes)?
3. 3.A train leaves at 11:10 and reaches at 12:40. How long is the journey (in minutes)?
4. 4.A train leaves at 06:30 and reaches at 07:20. How long is the journey (in minutes)?
5. 5.A train leaves at 12:00 and reaches at 15:05. How long is the journey (in minutes)?
6. 6.A train leaves at 18:30 and reaches at 20:55. How long is the journey (in minutes)?
7. 7.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 5:05 a.m. (c) 7:05 p.m.
8. 8.How many hours are there from 07:00 to 12:00?
9. 9.A train leaves at 07:05 and reaches at 09:30. How long is the journey (in minutes)?
10. 10.A train leaves at 16:15 and reaches at 16:50. How long is the journey (in minutes)?
11. 11.A match starts at 11:30 and lasts 3 hours 30 minutes. At what time does it end? (a) 14:00 (b) 15:00 (c) 16:00
12. 12.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 a.m. (c) 1:05 p.m.
13. 13.How many hours are there from 07:00 to 09:00?
14. 14.A train leaves at 18:45 and reaches at 19:20. How long is the journey (in minutes)?
15. 15.A film is 2 hours 5 minutes long. How many minutes is that?
16. 16.Write 11:40 a.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 13:40
17. 17.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 p.m. (c) 9:20 a.m.
18. 18.A train leaves at 18:10 and reaches at 19:40. How long is the journey (in minutes)?
19. 19.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 p.m.
20. 20.A match starts at 13:50 and lasts 2 hours. At what time does it end? (a) 16:50 (b) 15:50 (c) 14:50
21. 21.What is 17:45 in 12-hour time? (a) 5:45 p.m. (b) 7:45 p.m. (c) 5:45 a.m.
22. 22.A film is 3 hours 5 minutes long. How many minutes is that?
23. 23.Write 7:45 p.m. in 24-hour time. (a) 19:45 (b) 21:45 (c) 07:45
24. 24.How many hours are there from 06:00 to 23:00?
25. 25.A train leaves at 07:00 and reaches at 07:55. How long is the journey (in minutes)?
26. 26.A match starts at 13:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 15:10
27. 27.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 03:45 (c) 01:45
28. 28.Write 5:35 a.m. in 24-hour time. (a) 05:35 (b) 07:35 (c) 17:35
29. 29.Write 6:05 p.m. in 24-hour time. (a) 18:05 (b) 20:05 (c) 06:05
30. 30.A train leaves at 19:50 and reaches at 21:35. How long is the journey (in minutes)?
31. 31.A match starts at 14:40 and lasts 3 hours 50 minutes. At what time does it end? (a) 19:30 (b) 17:30 (c) 18:30
32. 32.A film is 1 hour 55 minutes long. How many minutes is that?
33. 33.Write 10:25 p.m. in 24-hour time. (a) 10:25 (b) 00:25 (c) 22:25
34. 34.How many hours are there from 07:00 to 10:00?
35. 35.A film is 3 hours 30 minutes long. How many minutes is that?
36. 36.How many hours are there from 08:00 to 14:00?
37. 37.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 a.m. (c) 4:50 p.m.
38. 38.How many hours are there from 05:00 to 21:00?
39. 39.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
40. 40.What is 19:00 in 12-hour time? (a) 7:00 a.m. (b) 7:00 p.m. (c) 9:00 p.m.

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