Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 286 · 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 train leaves at 06:50 and reaches at 09:40. How long is the journey (in minutes)?
2. 2.Write 1:20 p.m. in 24-hour time. (a) 13:20 (b) 15:20 (c) 01:20
3. 3.What is 11:30 in 12-hour time? (a) 11:30 p.m. (b) 11:30 a.m. (c) 1:30 a.m.
4. 4.Write 10:05 a.m. in 24-hour time. (a) 10:05 (b) 12:05 (c) 22:05
5. 5.What is 20:40 in 12-hour time? (a) 8:40 a.m. (b) 10:40 p.m. (c) 8:40 p.m.
6. 6.How many hours are there from 12:00 to 20:00?
7. 7.A match starts at 08:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 09:55 (b) 11:55 (c) 10:55
8. 8.Write 9:50 p.m. in 24-hour time. (a) 09:50 (b) 21:50 (c) 23:50
9. 9.A film is 2 hours 55 minutes long. How many minutes is that?
10. 10.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.
11. 11.What is 06:20 in 12-hour time? (a) 8:20 a.m. (b) 6:20 a.m. (c) 6:20 p.m.
12. 12.How many hours are there from 11:00 to 15:00?
13. 13.Write 7:15 a.m. in 24-hour time. (a) 19:15 (b) 09:15 (c) 07:15
14. 14.A film is 2 hours 10 minutes long. How many minutes is that?
15. 15.A film is 1 hour 20 minutes long. How many minutes is that?
16. 16.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 a.m.
17. 17.Write 10:55 p.m. in 24-hour time. (a) 22:55 (b) 00:55 (c) 10:55
18. 18.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 09:00
19. 19.What is 19:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 p.m.
20. 20.How many hours are there from 05:00 to 08:00?
21. 21.Write 5:05 p.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 19:05
22. 22.Write 4:45 a.m. in 24-hour time. (a) 16:45 (b) 04:45 (c) 06:45
23. 23.Write 5:35 a.m. in 24-hour time. (a) 17:35 (b) 07:35 (c) 05:35
24. 24.How many hours are there from 06:00 to 09:00?
25. 25.Write 10:55 a.m. in 24-hour time. (a) 10:55 (b) 22:55 (c) 12:55
26. 26.A train leaves at 10:05 and reaches at 11:40. How long is the journey (in minutes)?
27. 27.A film is 2 hours 25 minutes long. How many minutes is that?
28. 28.A match starts at 14:15 and lasts 2 hours 40 minutes. At what time does it end? (a) 16:55 (b) 17:55 (c) 15:55
29. 29.What is 05:00 in 12-hour time? (a) 7:00 a.m. (b) 5:00 a.m. (c) 5:00 p.m.
30. 30.What is 07:05 in 12-hour time? (a) 7:05 a.m. (b) 9:05 a.m. (c) 7:05 p.m.
31. 31.How many hours are there from 11:00 to 13:00?
32. 32.A match starts at 17:45 and lasts 2 hours 35 minutes. At what time does it end? (a) 21:20 (b) 19:20 (c) 20:20
33. 33.A train leaves at 12:45 and reaches at 15:00. How long is the journey (in minutes)?
34. 34.A match starts at 16:05 and lasts 1 hour. At what time does it end? (a) 16:05 (b) 17:05 (c) 18:05
35. 35.What is 11:05 in 12-hour time? (a) 1:05 a.m. (b) 11:05 a.m. (c) 11:05 p.m.
36. 36.A film is 3 hours 15 minutes long. How many minutes is that?
37. 37.Write 3:15 p.m. in 24-hour time. (a) 15:15 (b) 17:15 (c) 03:15
38. 38.How many hours are there from 06:00 to 17:00?
39. 39.Write 3:25 p.m. in 24-hour time. (a) 15:25 (b) 03:25 (c) 17:25
40. 40.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 3:20 a.m. (c) 5:20 a.m.

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