Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 536 · 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.How many hours are there from 11:00 to 13:00?
2. 2.A train leaves at 12:00 and reaches at 13:40. How long is the journey (in minutes)?
3. 3.A train leaves at 09:25 and reaches at 11:25. How long is the journey (in minutes)?
4. 4.Write 6:45 a.m. in 24-hour time. (a) 06:45 (b) 08:45 (c) 18:45
5. 5.Write 10:30 a.m. in 24-hour time. (a) 12:30 (b) 10:30 (c) 22:30
6. 6.A match starts at 15:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
7. 7.A match starts at 09:55 and lasts 2 hours 25 minutes. At what time does it end? (a) 13:20 (b) 12:20 (c) 11:20
8. 8.A match starts at 18:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 18:55 (b) 19:55 (c) 20:55
9. 9.What is 19:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 p.m. (c) 7:10 a.m.
10. 10.A train leaves at 17:05 and reaches at 18:50. How long is the journey (in minutes)?
11. 11.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 09:55 (c) 23:55
12. 12.A film is 4 hours 20 minutes long. How many minutes is that?
13. 13.A match starts at 08:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 10:15 (b) 09:15 (c) 11:15
14. 14.Write 5:40 a.m. in 24-hour time. (a) 05:40 (b) 07:40 (c) 17:40
15. 15.A film is 3 hours 10 minutes long. How many minutes is that?
16. 16.What is 22:55 in 12-hour time? (a) 10:55 p.m. (b) 12:55 p.m. (c) 10:55 a.m.
17. 17.What is 21:10 in 12-hour time? (a) 9:10 a.m. (b) 11:10 p.m. (c) 9:10 p.m.
18. 18.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 6:25 a.m. (c) 4:25 a.m.
19. 19.A film is 1 hour 5 minutes long. How many minutes is that?
20. 20.A match starts at 10:20 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 14:10
21. 21.A film is 4 hours 10 minutes long. How many minutes is that?
22. 22.What is 23:30 in 12-hour time? (a) 11:30 a.m. (b) 1:30 p.m. (c) 11:30 p.m.
23. 23.How many hours are there from 08:00 to 13:00?
24. 24.A train leaves at 09:45 and reaches at 11:25. How long is the journey (in minutes)?
25. 25.A film is 2 hours 20 minutes long. How many minutes is that?
26. 26.A train leaves at 13:45 and reaches at 14:20. How long is the journey (in minutes)?
27. 27.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
28. 28.A train leaves at 12:30 and reaches at 13:25. How long is the journey (in minutes)?
29. 29.A match starts at 16:20 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:00 (b) 20:00 (c) 18:00
30. 30.A train leaves at 11:50 and reaches at 12:55. How long is the journey (in minutes)?
31. 31.A train leaves at 13:45 and reaches at 15:55. How long is the journey (in minutes)?
32. 32.A film is 3 hours 55 minutes long. How many minutes is that?
33. 33.A match starts at 07:30 and lasts 1 hour 15 minutes. At what time does it end? (a) 07:45 (b) 08:45 (c) 09:45
34. 34.How many hours are there from 06:00 to 18:00?
35. 35.How many hours are there from 10:00 to 21:00?
36. 36.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 21:30 (c) 19:30
37. 37.Write 8:35 a.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 10:35
38. 38.A match starts at 15:25 and lasts 4 hours 40 minutes. At what time does it end? (a) 19:05 (b) 21:05 (c) 20:05
39. 39.A match starts at 12:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
40. 40.A match starts at 12:05 and lasts 1 hour 45 minutes. At what time does it end? (a) 13:50 (b) 12:50 (c) 14:50

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