Class 4 Maths Worksheet: 24-Hour Clock

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

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