Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 898 · 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 match starts at 13:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
2. 2.A match starts at 07:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:25 (b) 08:25 (c) 07:25
3. 3.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 13:40 (c) 01:40
4. 4.Write 11:20 a.m. in 24-hour time. (a) 23:20 (b) 11:20 (c) 13:20
5. 5.How many hours are there from 10:00 to 19:00?
6. 6.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 18:05 (c) 16:05
7. 7.Write 1:55 p.m. in 24-hour time. (a) 13:55 (b) 01:55 (c) 15:55
8. 8.A film is 2 hours 35 minutes long. How many minutes is that?
9. 9.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 10:55 p.m. (c) 12:55 a.m.
10. 10.Write 5:55 a.m. in 24-hour time. (a) 17:55 (b) 05:55 (c) 07:55
11. 11.A train leaves at 06:00 and reaches at 09:05. How long is the journey (in minutes)?
12. 12.A match starts at 07:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:15 (b) 10:15 (c) 08:15
13. 13.A film is 3 hours 5 minutes long. How many minutes is that?
14. 14.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 p.m. (c) 11:05 a.m.
15. 15.How many hours are there from 06:00 to 19:00?
16. 16.A train leaves at 10:40 and reaches at 12:40. How long is the journey (in minutes)?
17. 17.A film is 1 hour 15 minutes long. How many minutes is that?
18. 18.A train leaves at 15:20 and reaches at 17:35. How long is the journey (in minutes)?
19. 19.Write 3:55 p.m. in 24-hour time. (a) 15:55 (b) 03:55 (c) 17:55
20. 20.Write 4:25 a.m. in 24-hour time. (a) 16:25 (b) 04:25 (c) 06:25
21. 21.How many hours are there from 08:00 to 19:00?
22. 22.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 03:55 (c) 15:55
23. 23.A train leaves at 16:10 and reaches at 19:00. How long is the journey (in minutes)?
24. 24.How many hours are there from 09:00 to 17:00?
25. 25.Write 8:40 a.m. in 24-hour time. (a) 10:40 (b) 20:40 (c) 08:40
26. 26.How many hours are there from 12:00 to 23:00?
27. 27.Write 4:40 p.m. in 24-hour time. (a) 18:40 (b) 04:40 (c) 16:40
28. 28.A match starts at 08:20 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 08:55
29. 29.How many hours are there from 10:00 to 20:00?
30. 30.A train leaves at 18:20 and reaches at 21:20. How long is the journey (in minutes)?
31. 31.A train leaves at 17:40 and reaches at 21:00. How long is the journey (in minutes)?
32. 32.How many hours are there from 07:00 to 12:00?
33. 33.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 20:05 (c) 08:05
34. 34.How many hours are there from 05:00 to 22:00?
35. 35.A train leaves at 11:10 and reaches at 12:05. How long is the journey (in minutes)?
36. 36.What is 01:45 in 12-hour time? (a) 1:45 a.m. (b) 1:45 p.m. (c) 3:45 a.m.
37. 37.A match starts at 06:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:25 (b) 07:25 (c) 08:25
38. 38.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 1:30 a.m. (c) 11:30 a.m.
39. 39.A film is 3 hours 55 minutes long. How many minutes is that?
40. 40.A match starts at 16:00 and lasts 3 hours 40 minutes. At what time does it end? (a) 20:40 (b) 18:40 (c) 19:40

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