Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 588 · 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 10 minutes long. How many minutes is that?
2. 2.Write 7:55 a.m. in 24-hour time. (a) 19:55 (b) 07:55 (c) 09:55
3. 3.How many hours are there from 12:00 to 23:00?
4. 4.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
5. 5.A match starts at 17:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
6. 6.A film is 2 hours 15 minutes long. How many minutes is that?
7. 7.A train leaves at 09:15 and reaches at 11:00. How long is the journey (in minutes)?
8. 8.A film is 3 hours 50 minutes long. How many minutes is that?
9. 9.A train leaves at 18:45 and reaches at 20:25. How long is the journey (in minutes)?
10. 10.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 a.m. (c) 1:10 p.m.
11. 11.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 13:35 (c) 01:35
12. 12.A match starts at 17:45 and lasts 3 hours 25 minutes. At what time does it end? (a) 22:10 (b) 21:10 (c) 20:10
13. 13.A film is 3 hours 40 minutes long. How many minutes is that?
14. 14.How many hours are there from 09:00 to 19:00?
15. 15.A film is 3 hours 20 minutes long. How many minutes is that?
16. 16.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 a.m. (c) 5:00 p.m.
17. 17.What is 18:30 in 12-hour time? (a) 6:30 a.m. (b) 8:30 p.m. (c) 6:30 p.m.
18. 18.A film is 4 hours 5 minutes long. How many minutes is that?
19. 19.A train leaves at 07:05 and reaches at 08:50. How long is the journey (in minutes)?
20. 20.A train leaves at 08:50 and reaches at 12:00. How long is the journey (in minutes)?
21. 21.A match starts at 17:05 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:35 (b) 22:35 (c) 21:35
22. 22.How many hours are there from 11:00 to 14:00?
23. 23.A train leaves at 14:05 and reaches at 15:50. How long is the journey (in minutes)?
24. 24.What is 02:55 in 12-hour time? (a) 2:55 a.m. (b) 2:55 p.m. (c) 4:55 a.m.
25. 25.A match starts at 14:00 and lasts 1 hour 55 minutes. At what time does it end? (a) 16:55 (b) 14:55 (c) 15:55
26. 26.A train leaves at 07:30 and reaches at 08:20. How long is the journey (in minutes)?
27. 27.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 a.m. (c) 10:15 p.m.
28. 28.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 11:30 a.m. (c) 1:30 a.m.
29. 29.A train leaves at 11:40 and reaches at 13:45. How long is the journey (in minutes)?
30. 30.A film is 2 hours 5 minutes long. How many minutes is that?
31. 31.A train leaves at 06:55 and reaches at 08:45. How long is the journey (in minutes)?
32. 32.A film is 2 hours 50 minutes long. How many minutes is that?
33. 33.What is 20:20 in 12-hour time? (a) 8:20 p.m. (b) 10:20 p.m. (c) 8:20 a.m.
34. 34.A match starts at 08:20 and lasts 3 hours 25 minutes. At what time does it end? (a) 12:45 (b) 11:45 (c) 10:45
35. 35.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 04:55 (c) 16:55
36. 36.A film is 2 hours 25 minutes long. How many minutes is that?
37. 37.A train leaves at 17:45 and reaches at 18:15. How long is the journey (in minutes)?
38. 38.A film is 3 hours 55 minutes long. How many minutes is that?
39. 39.A match starts at 06:05 and lasts 3 hours 40 minutes. At what time does it end? (a) 08:45 (b) 10:45 (c) 09:45
40. 40.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 a.m. (c) 1:40 p.m.

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