Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 435 · 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.A train leaves at 13:45 and reaches at 15:35. How long is the journey (in minutes)?
2. 2.Write 1:40 a.m. in 24-hour time. (a) 01:40 (b) 13:40 (c) 03:40
3. 3.A train leaves at 06:30 and reaches at 07:40. How long is the journey (in minutes)?
4. 4.A train leaves at 07:35 and reaches at 08:40. How long is the journey (in minutes)?
5. 5.How many hours are there from 07:00 to 13:00?
6. 6.How many hours are there from 05:00 to 21:00?
7. 7.A film is 2 hours 15 minutes long. How many minutes is that?
8. 8.What is 10:25 in 12-hour time? (a) 12:25 a.m. (b) 10:25 p.m. (c) 10:25 a.m.
9. 9.A train leaves at 09:50 and reaches at 11:15. How long is the journey (in minutes)?
10. 10.A train leaves at 15:20 and reaches at 15:55. How long is the journey (in minutes)?
11. 11.A match starts at 12:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
12. 12.A train leaves at 18:45 and reaches at 21:20. How long is the journey (in minutes)?
13. 13.A train leaves at 19:15 and reaches at 21:00. How long is the journey (in minutes)?
14. 14.A train leaves at 10:40 and reaches at 12:15. How long is the journey (in minutes)?
15. 15.A match starts at 13:55 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
16. 16.A film is 4 hours 20 minutes long. How many minutes is that?
17. 17.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 a.m. (c) 1:05 p.m.
18. 18.A match starts at 17:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 18:30 (b) 19:30 (c) 20:30
19. 19.Write 7:20 p.m. in 24-hour time. (a) 21:20 (b) 19:20 (c) 07:20
20. 20.A train leaves at 11:45 and reaches at 12:30. How long is the journey (in minutes)?
21. 21.A film is 2 hours 55 minutes long. How many minutes is that?
22. 22.A train leaves at 12:30 and reaches at 13:00. How long is the journey (in minutes)?
23. 23.A train leaves at 07:20 and reaches at 07:45. How long is the journey (in minutes)?
24. 24.Write 7:35 a.m. in 24-hour time. (a) 07:35 (b) 09:35 (c) 19:35
25. 25.A film is 2 hours 50 minutes long. How many minutes is that?
26. 26.A film is 1 hour 15 minutes long. How many minutes is that?
27. 27.What is 01:10 in 12-hour time? (a) 1:10 p.m. (b) 3:10 a.m. (c) 1:10 a.m.
28. 28.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 p.m. (c) 2:15 a.m.
29. 29.What is 08:20 in 12-hour time? (a) 10:20 a.m. (b) 8:20 p.m. (c) 8:20 a.m.
30. 30.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 a.m. (c) 7:05 p.m.
31. 31.A film is 2 hours 20 minutes long. How many minutes is that?
32. 32.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 05:35 (c) 03:35
33. 33.What is 17:30 in 12-hour time? (a) 5:30 a.m. (b) 5:30 p.m. (c) 7:30 p.m.
34. 34.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 a.m.
35. 35.A train leaves at 06:15 and reaches at 09:30. How long is the journey (in minutes)?
36. 36.A film is 2 hours 40 minutes long. How many minutes is that?
37. 37.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 07:05 (c) 09:05
38. 38.A train leaves at 06:50 and reaches at 07:15. How long is the journey (in minutes)?
39. 39.How many hours are there from 11:00 to 23:00?
40. 40.Write 10:45 p.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 00:45

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