Class 4 Maths Worksheet: 24-Hour Clock

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

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