Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 144 · 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 4 hours 30 minutes long. How many minutes is that?
2. 2.What is 05:15 in 12-hour time? (a) 7:15 a.m. (b) 5:15 a.m. (c) 5:15 p.m.
3. 3.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
4. 4.A train leaves at 10:50 and reaches at 11:35. How long is the journey (in minutes)?
5. 5.A match starts at 15:00 and lasts 2 hours 25 minutes. At what time does it end? (a) 16:25 (b) 17:25 (c) 18:25
6. 6.A film is 2 hours 40 minutes long. How many minutes is that?
7. 7.A train leaves at 17:15 and reaches at 19:35. How long is the journey (in minutes)?
8. 8.Write 6:00 a.m. in 24-hour time. (a) 08:00 (b) 18:00 (c) 06:00
9. 9.A train leaves at 11:40 and reaches at 12:15. How long is the journey (in minutes)?
10. 10.Write 1:50 a.m. in 24-hour time. (a) 13:50 (b) 03:50 (c) 01:50
11. 11.What is 07:25 in 12-hour time? (a) 9:25 a.m. (b) 7:25 p.m. (c) 7:25 a.m.
12. 12.A film is 3 hours 30 minutes long. How many minutes is that?
13. 13.Write 4:00 p.m. in 24-hour time. (a) 16:00 (b) 04:00 (c) 18:00
14. 14.A match starts at 13:25 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:30 (b) 14:30 (c) 15:30
15. 15.How many hours are there from 08:00 to 21:00?
16. 16.A match starts at 07:50 and lasts 2 hours 45 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 11:35
17. 17.What is 20:50 in 12-hour time? (a) 10:50 p.m. (b) 8:50 a.m. (c) 8:50 p.m.
18. 18.A match starts at 16:05 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:25 (b) 19:25 (c) 20:25
19. 19.A film is 4 hours 15 minutes long. How many minutes is that?
20. 20.How many hours are there from 05:00 to 07:00?
21. 21.A film is 3 hours 55 minutes long. How many minutes is that?
22. 22.Write 10:45 a.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 12:45
23. 23.Write 9:40 a.m. in 24-hour time. (a) 09:40 (b) 11:40 (c) 21:40
24. 24.What is 21:00 in 12-hour time? (a) 9:00 a.m. (b) 11:00 p.m. (c) 9:00 p.m.
25. 25.A match starts at 07:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:40 (b) 09:40 (c) 07:40
26. 26.Write 11:10 a.m. in 24-hour time. (a) 13:10 (b) 11:10 (c) 23:10
27. 27.What is 01:10 in 12-hour time? (a) 3:10 a.m. (b) 1:10 p.m. (c) 1:10 a.m.
28. 28.A train leaves at 19:05 and reaches at 19:45. How long is the journey (in minutes)?
29. 29.A train leaves at 13:00 and reaches at 13:40. How long is the journey (in minutes)?
30. 30.How many hours are there from 06:00 to 13:00?
31. 31.What is 15:05 in 12-hour time? (a) 3:05 p.m. (b) 3:05 a.m. (c) 5:05 p.m.
32. 32.What is 19:50 in 12-hour time? (a) 9:50 p.m. (b) 7:50 a.m. (c) 7:50 p.m.
33. 33.A film is 3 hours 50 minutes long. How many minutes is that?
34. 34.What is 20:15 in 12-hour time? (a) 8:15 p.m. (b) 10:15 p.m. (c) 8:15 a.m.
35. 35.A match starts at 09:50 and lasts 2 hours 25 minutes. At what time does it end? (a) 12:15 (b) 11:15 (c) 13:15
36. 36.How many hours are there from 11:00 to 15:00?
37. 37.How many hours are there from 12:00 to 15:00?
38. 38.What is 13:45 in 12-hour time? (a) 3:45 p.m. (b) 1:45 a.m. (c) 1:45 p.m.
39. 39.A film is 4 hours 40 minutes long. How many minutes is that?
40. 40.How many hours are there from 06:00 to 09:00?

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