Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 803 · 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 film is 2 hours 15 minutes long. How many minutes is that?
2. 2.A film is 4 hours 55 minutes long. How many minutes is that?
3. 3.A match starts at 13:50 and lasts 3 hours. At what time does it end? (a) 15:50 (b) 16:50 (c) 17:50
4. 4.A train leaves at 19:50 and reaches at 20:55. How long is the journey (in minutes)?
5. 5.Write 11:05 a.m. in 24-hour time. (a) 23:05 (b) 13:05 (c) 11:05
6. 6.How many hours are there from 11:00 to 21:00?
7. 7.What is 15:30 in 12-hour time? (a) 5:30 p.m. (b) 3:30 p.m. (c) 3:30 a.m.
8. 8.A match starts at 16:15 and lasts 3 hours. At what time does it end? (a) 18:15 (b) 20:15 (c) 19:15
9. 9.Write 8:45 a.m. in 24-hour time. (a) 20:45 (b) 08:45 (c) 10:45
10. 10.What is 19:40 in 12-hour time? (a) 7:40 a.m. (b) 7:40 p.m. (c) 9:40 p.m.
11. 11.How many hours are there from 11:00 to 20:00?
12. 12.A train leaves at 08:35 and reaches at 11:20. How long is the journey (in minutes)?
13. 13.How many hours are there from 08:00 to 20:00?
14. 14.A train leaves at 12:55 and reaches at 15:45. How long is the journey (in minutes)?
15. 15.How many hours are there from 05:00 to 20:00?
16. 16.What is 01:45 in 12-hour time? (a) 3:45 a.m. (b) 1:45 p.m. (c) 1:45 a.m.
17. 17.A film is 1 hour 5 minutes long. How many minutes is that?
18. 18.A match starts at 13:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 17:30
19. 19.How many hours are there from 10:00 to 15:00?
20. 20.How many hours are there from 11:00 to 22:00?
21. 21.A match starts at 11:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 15:45
22. 22.A match starts at 08:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 09:25 (b) 11:25 (c) 10:25
23. 23.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 a.m. (c) 6:50 a.m.
24. 24.A match starts at 15:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:10 (b) 18:10 (c) 16:10
25. 25.A train leaves at 15:00 and reaches at 16:10. How long is the journey (in minutes)?
26. 26.What is 16:45 in 12-hour time? (a) 6:45 p.m. (b) 4:45 a.m. (c) 4:45 p.m.
27. 27.How many hours are there from 12:00 to 20:00?
28. 28.A film is 4 hours 50 minutes long. How many minutes is that?
29. 29.How many hours are there from 06:00 to 09:00?
30. 30.A film is 3 hours 5 minutes long. How many minutes is that?
31. 31.A train leaves at 10:25 and reaches at 11:25. How long is the journey (in minutes)?
32. 32.A train leaves at 18:35 and reaches at 19:10. How long is the journey (in minutes)?
33. 33.Write 11:05 p.m. in 24-hour time. (a) 01:05 (b) 11:05 (c) 23:05
34. 34.A match starts at 10:45 and lasts 1 hour 50 minutes. At what time does it end? (a) 12:35 (b) 11:35 (c) 13:35
35. 35.A film is 4 hours 15 minutes long. How many minutes is that?
36. 36.How many hours are there from 05:00 to 16:00?
37. 37.What is 18:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 p.m. (c) 6:00 p.m.
38. 38.How many hours are there from 10:00 to 12:00?
39. 39.How many hours are there from 09:00 to 22:00?
40. 40.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 a.m. (c) 10:20 p.m.

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