Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 880 · 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 1 hour 40 minutes long. How many minutes is that?
2. 2.A film is 3 hours 30 minutes long. How many minutes is that?
3. 3.How many hours are there from 11:00 to 17:00?
4. 4.What is 20:45 in 12-hour time? (a) 8:45 a.m. (b) 10:45 p.m. (c) 8:45 p.m.
5. 5.A match starts at 13:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 16:15 (b) 14:15 (c) 15:15
6. 6.A match starts at 07:30 and lasts 3 hours 20 minutes. At what time does it end? (a) 09:50 (b) 10:50 (c) 11:50
7. 7.What is 17:55 in 12-hour time? (a) 5:55 p.m. (b) 5:55 a.m. (c) 7:55 p.m.
8. 8.A film is 2 hours 25 minutes long. How many minutes is that?
9. 9.A film is 4 hours 45 minutes long. How many minutes is that?
10. 10.How many hours are there from 05:00 to 13:00?
11. 11.Write 11:40 p.m. in 24-hour time. (a) 11:40 (b) 23:40 (c) 01:40
12. 12.A train leaves at 10:10 and reaches at 12:50. How long is the journey (in minutes)?
13. 13.A train leaves at 09:50 and reaches at 12:00. How long is the journey (in minutes)?
14. 14.What is 18:10 in 12-hour time? (a) 8:10 p.m. (b) 6:10 a.m. (c) 6:10 p.m.
15. 15.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 14:55 (c) 02:55
16. 16.A train leaves at 12:50 and reaches at 14:10. How long is the journey (in minutes)?
17. 17.What is 10:35 in 12-hour time? (a) 10:35 p.m. (b) 12:35 a.m. (c) 10:35 a.m.
18. 18.What is 05:25 in 12-hour time? (a) 5:25 a.m. (b) 5:25 p.m. (c) 7:25 a.m.
19. 19.A film is 3 hours 35 minutes long. How many minutes is that?
20. 20.A film is 2 hours 50 minutes long. How many minutes is that?
21. 21.A train leaves at 19:30 and reaches at 21:25. How long is the journey (in minutes)?
22. 22.A film is 1 hour 15 minutes long. How many minutes is that?
23. 23.A train leaves at 14:40 and reaches at 15:10. How long is the journey (in minutes)?
24. 24.A film is 2 hours 55 minutes long. How many minutes is that?
25. 25.Write 7:00 a.m. in 24-hour time. (a) 09:00 (b) 19:00 (c) 07:00
26. 26.Write 6:00 p.m. in 24-hour time. (a) 06:00 (b) 18:00 (c) 20:00
27. 27.A film is 1 hour 55 minutes long. How many minutes is that?
28. 28.A match starts at 10:50 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:40 (b) 16:40 (c) 15:40
29. 29.A match starts at 06:05 and lasts 3 hours 55 minutes. At what time does it end? (a) 11:00 (b) 10:00 (c) 09:00
30. 30.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 3:40 a.m. (c) 5:40 a.m.
31. 31.A match starts at 07:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:50 (b) 07:50 (c) 08:50
32. 32.What is 15:45 in 12-hour time? (a) 5:45 p.m. (b) 3:45 a.m. (c) 3:45 p.m.
33. 33.A match starts at 07:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 08:40 (b) 10:40 (c) 09:40
34. 34.Write 1:25 a.m. in 24-hour time. (a) 13:25 (b) 03:25 (c) 01:25
35. 35.A train leaves at 07:15 and reaches at 08:05. How long is the journey (in minutes)?
36. 36.What is 20:10 in 12-hour time? (a) 8:10 a.m. (b) 10:10 p.m. (c) 8:10 p.m.
37. 37.How many hours are there from 08:00 to 18:00?
38. 38.A match starts at 17:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 19:20 (b) 20:20 (c) 18:20
39. 39.How many hours are there from 10:00 to 14:00?
40. 40.Write 4:55 a.m. in 24-hour time. (a) 16:55 (b) 06:55 (c) 04:55

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