Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 158 · 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 06:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 11:30 (b) 09:30 (c) 10:30
2. 2.How many hours are there from 11:00 to 14:00?
3. 3.How many hours are there from 07:00 to 23:00?
4. 4.How many hours are there from 11:00 to 13:00?
5. 5.A match starts at 17:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 18:15 (b) 20:15 (c) 19:15
6. 6.A film is 1 hour 20 minutes long. How many minutes is that?
7. 7.A film is 1 hour 10 minutes long. How many minutes is that?
8. 8.A train leaves at 06:45 and reaches at 08:05. How long is the journey (in minutes)?
9. 9.A match starts at 07:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:25 (b) 07:25 (c) 08:25
10. 10.Write 2:40 p.m. in 24-hour time. (a) 16:40 (b) 02:40 (c) 14:40
11. 11.A film is 2 hours 55 minutes long. How many minutes is that?
12. 12.A film is 4 hours 35 minutes long. How many minutes is that?
13. 13.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 p.m. (c) 11:45 a.m.
14. 14.Write 3:45 p.m. in 24-hour time. (a) 03:45 (b) 17:45 (c) 15:45
15. 15.A film is 3 hours 15 minutes long. How many minutes is that?
16. 16.What is 07:45 in 12-hour time? (a) 9:45 a.m. (b) 7:45 a.m. (c) 7:45 p.m.
17. 17.Write 1:35 a.m. in 24-hour time. (a) 03:35 (b) 13:35 (c) 01:35
18. 18.A match starts at 09:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 12:05 (b) 10:05 (c) 11:05
19. 19.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 1:15 a.m. (c) 11:15 a.m.
20. 20.Write 4:30 a.m. in 24-hour time. (a) 06:30 (b) 04:30 (c) 16:30
21. 21.A film is 4 hours 10 minutes long. How many minutes is that?
22. 22.How many hours are there from 11:00 to 21:00?
23. 23.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 p.m. (c) 2:00 a.m.
24. 24.A train leaves at 15:45 and reaches at 18:40. How long is the journey (in minutes)?
25. 25.A match starts at 16:00 and lasts 4 hours 40 minutes. At what time does it end? (a) 21:40 (b) 19:40 (c) 20:40
26. 26.How many hours are there from 09:00 to 16:00?
27. 27.A train leaves at 13:55 and reaches at 14:45. How long is the journey (in minutes)?
28. 28.Write 2:55 a.m. in 24-hour time. (a) 02:55 (b) 14:55 (c) 04:55
29. 29.A train leaves at 11:00 and reaches at 14:10. How long is the journey (in minutes)?
30. 30.What is 09:35 in 12-hour time? (a) 11:35 a.m. (b) 9:35 a.m. (c) 9:35 p.m.
31. 31.Write 2:35 p.m. in 24-hour time. (a) 02:35 (b) 16:35 (c) 14:35
32. 32.A film is 3 hours 25 minutes long. How many minutes is that?
33. 33.A film is 1 hour 15 minutes long. How many minutes is that?
34. 34.A match starts at 11:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:50 (b) 15:50 (c) 14:50
35. 35.A match starts at 12:30 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:05 (b) 18:05 (c) 16:05
36. 36.What is 08:35 in 12-hour time? (a) 10:35 a.m. (b) 8:35 a.m. (c) 8:35 p.m.
37. 37.How many hours are there from 06:00 to 20:00?
38. 38.What is 02:15 in 12-hour time? (a) 2:15 a.m. (b) 2:15 p.m. (c) 4:15 a.m.
39. 39.How many hours are there from 06:00 to 22:00?
40. 40.What is 14:50 in 12-hour time? (a) 2:50 a.m. (b) 2:50 p.m. (c) 4:50 p.m.

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