Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 97 · 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.What is 11:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 a.m. (c) 11:40 p.m.
2. 2.A film is 1 hour 35 minutes long. How many minutes is that?
3. 3.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 a.m. (c) 6:30 p.m.
4. 4.What is 11:05 in 12-hour time? (a) 1:05 a.m. (b) 11:05 p.m. (c) 11:05 a.m.
5. 5.A train leaves at 10:55 and reaches at 13:35. How long is the journey (in minutes)?
6. 6.A match starts at 13:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 17:45
7. 7.A film is 4 hours 15 minutes long. How many minutes is that?
8. 8.A match starts at 09:50 and lasts 2 hours 40 minutes. At what time does it end? (a) 13:30 (b) 11:30 (c) 12:30
9. 9.Write 5:15 p.m. in 24-hour time. (a) 19:15 (b) 05:15 (c) 17:15
10. 10.A film is 1 hour 55 minutes long. How many minutes is that?
11. 11.A film is 1 hour 50 minutes long. How many minutes is that?
12. 12.Write 8:20 p.m. in 24-hour time. (a) 08:20 (b) 22:20 (c) 20:20
13. 13.A film is 4 hours 35 minutes long. How many minutes is that?
14. 14.Write 4:35 a.m. in 24-hour time. (a) 04:35 (b) 16:35 (c) 06:35
15. 15.Write 9:25 p.m. in 24-hour time. (a) 23:25 (b) 09:25 (c) 21:25
16. 16.A match starts at 10:50 and lasts 1 hour. At what time does it end? (a) 11:50 (b) 10:50 (c) 12:50
17. 17.Write 4:50 p.m. in 24-hour time. (a) 18:50 (b) 04:50 (c) 16:50
18. 18.Write 1:50 p.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 15:50
19. 19.What is 17:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 p.m. (c) 5:10 p.m.
20. 20.Write 1:00 p.m. in 24-hour time. (a) 01:00 (b) 13:00 (c) 15:00
21. 21.A match starts at 15:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 19:20 (b) 18:20 (c) 17:20
22. 22.What is 18:20 in 12-hour time? (a) 6:20 a.m. (b) 8:20 p.m. (c) 6:20 p.m.
23. 23.A film is 3 hours 45 minutes long. How many minutes is that?
24. 24.A film is 1 hour 40 minutes long. How many minutes is that?
25. 25.How many hours are there from 12:00 to 22:00?
26. 26.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 07:35 (c) 19:35
27. 27.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 02:55 (c) 14:55
28. 28.A match starts at 13:50 and lasts 1 hour. At what time does it end? (a) 13:50 (b) 15:50 (c) 14:50
29. 29.What is 10:10 in 12-hour time? (a) 12:10 a.m. (b) 10:10 p.m. (c) 10:10 a.m.
30. 30.A match starts at 14:55 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:30 (b) 17:30 (c) 16:30
31. 31.A train leaves at 18:50 and reaches at 20:25. How long is the journey (in minutes)?
32. 32.A film is 2 hours 15 minutes long. How many minutes is that?
33. 33.A train leaves at 06:30 and reaches at 09:35. How long is the journey (in minutes)?
34. 34.How many hours are there from 08:00 to 17:00?
35. 35.A train leaves at 19:10 and reaches at 20:50. How long is the journey (in minutes)?
36. 36.Write 11:30 p.m. in 24-hour time. (a) 01:30 (b) 11:30 (c) 23:30
37. 37.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 12:25 (c) 22:25
38. 38.A match starts at 18:25 and lasts 3 hours. At what time does it end? (a) 21:25 (b) 20:25 (c) 22:25
39. 39.Write 5:40 p.m. in 24-hour time. (a) 05:40 (b) 19:40 (c) 17:40
40. 40.How many hours are there from 09:00 to 19:00?

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