Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 661 · 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 08:00 to 20:00?
2. 2.Write 1:25 a.m. in 24-hour time. (a) 13:25 (b) 03:25 (c) 01:25
3. 3.A train leaves at 09:10 and reaches at 10:00. How long is the journey (in minutes)?
4. 4.How many hours are there from 09:00 to 19:00?
5. 5.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 17:45 (c) 05:45
6. 6.How many hours are there from 07:00 to 23:00?
7. 7.How many hours are there from 10:00 to 14:00?
8. 8.A train leaves at 09:00 and reaches at 12:10. How long is the journey (in minutes)?
9. 9.A match starts at 11:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
10. 10.A train leaves at 10:05 and reaches at 11:40. How long is the journey (in minutes)?
11. 11.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 15:35 (c) 03:35
12. 12.How many hours are there from 11:00 to 22:00?
13. 13.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 16:55 (c) 04:55
14. 14.A match starts at 06:55 and lasts 1 hour. At what time does it end? (a) 06:55 (b) 08:55 (c) 07:55
15. 15.Write 6:10 a.m. in 24-hour time. (a) 08:10 (b) 06:10 (c) 18:10
16. 16.A match starts at 11:55 and lasts 2 hours 10 minutes. At what time does it end? (a) 14:05 (b) 15:05 (c) 13:05
17. 17.A match starts at 13:55 and lasts 4 hours. At what time does it end? (a) 16:55 (b) 17:55 (c) 18:55
18. 18.How many hours are there from 07:00 to 20:00?
19. 19.A film is 3 hours 5 minutes long. How many minutes is that?
20. 20.A match starts at 13:20 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 17:15
21. 21.A train leaves at 16:50 and reaches at 19:15. How long is the journey (in minutes)?
22. 22.A film is 4 hours 55 minutes long. How many minutes is that?
23. 23.What is 22:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 p.m.
24. 24.A train leaves at 17:30 and reaches at 20:05. How long is the journey (in minutes)?
25. 25.What is 05:25 in 12-hour time? (a) 7:25 a.m. (b) 5:25 a.m. (c) 5:25 p.m.
26. 26.A film is 2 hours 25 minutes long. How many minutes is that?
27. 27.How many hours are there from 06:00 to 10:00?
28. 28.A match starts at 08:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:00 (b) 11:00 (c) 13:00
29. 29.A train leaves at 08:15 and reaches at 10:00. How long is the journey (in minutes)?
30. 30.A match starts at 11:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:10 (b) 14:10 (c) 13:10
31. 31.A film is 1 hour 50 minutes long. How many minutes is that?
32. 32.How many hours are there from 06:00 to 23:00?
33. 33.A film is 1 hour 40 minutes long. How many minutes is that?
34. 34.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 5:50 a.m. (c) 3:50 a.m.
35. 35.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 p.m. (c) 9:20 a.m.
36. 36.A train leaves at 12:30 and reaches at 15:20. How long is the journey (in minutes)?
37. 37.A film is 1 hour 45 minutes long. How many minutes is that?
38. 38.How many hours are there from 12:00 to 19:00?
39. 39.What is 23:20 in 12-hour time? (a) 11:20 p.m. (b) 11:20 a.m. (c) 1:20 p.m.
40. 40.A film is 4 hours 35 minutes long. How many minutes is that?

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