Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 775 · 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 20:35 in 12-hour time? (a) 8:35 p.m. (b) 10:35 p.m. (c) 8:35 a.m.
2. 2.A match starts at 10:25 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:30 (b) 11:30 (c) 10:30
3. 3.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 7:15 p.m. (c) 9:15 p.m.
4. 4.A match starts at 13:55 and lasts 2 hours. At what time does it end? (a) 16:55 (b) 14:55 (c) 15:55
5. 5.A train leaves at 14:20 and reaches at 17:05. How long is the journey (in minutes)?
6. 6.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 13:50 (c) 11:50
7. 7.A film is 1 hour 10 minutes long. How many minutes is that?
8. 8.A train leaves at 17:10 and reaches at 19:30. How long is the journey (in minutes)?
9. 9.How many hours are there from 10:00 to 21:00?
10. 10.A train leaves at 18:55 and reaches at 22:00. How long is the journey (in minutes)?
11. 11.Write 8:05 p.m. in 24-hour time. (a) 20:05 (b) 22:05 (c) 08:05
12. 12.A film is 3 hours 5 minutes long. How many minutes is that?
13. 13.A match starts at 17:05 and lasts 2 hours 25 minutes. At what time does it end? (a) 18:30 (b) 19:30 (c) 20:30
14. 14.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
15. 15.A train leaves at 17:45 and reaches at 20:20. How long is the journey (in minutes)?
16. 16.A film is 1 hour 15 minutes long. How many minutes is that?
17. 17.How many hours are there from 06:00 to 08:00?
18. 18.What is 23:35 in 12-hour time? (a) 11:35 p.m. (b) 11:35 a.m. (c) 1:35 p.m.
19. 19.A film is 2 hours 35 minutes long. How many minutes is that?
20. 20.Write 3:30 p.m. in 24-hour time. (a) 17:30 (b) 15:30 (c) 03:30
21. 21.Write 11:50 p.m. in 24-hour time. (a) 01:50 (b) 23:50 (c) 11:50
22. 22.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 2:15 p.m. (c) 4:15 p.m.
23. 23.How many hours are there from 05:00 to 17:00?
24. 24.What is 08:10 in 12-hour time? (a) 10:10 a.m. (b) 8:10 p.m. (c) 8:10 a.m.
25. 25.A train leaves at 14:40 and reaches at 16:30. How long is the journey (in minutes)?
26. 26.A match starts at 16:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 20:30 (b) 19:30 (c) 18:30
27. 27.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 a.m. (c) 1:25 p.m.
28. 28.How many hours are there from 09:00 to 14:00?
29. 29.Write 4:10 p.m. in 24-hour time. (a) 04:10 (b) 18:10 (c) 16:10
30. 30.A film is 3 hours 50 minutes long. How many minutes is that?
31. 31.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
32. 32.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 a.m. (c) 6:30 p.m.
33. 33.What is 09:05 in 12-hour time? (a) 11:05 a.m. (b) 9:05 a.m. (c) 9:05 p.m.
34. 34.A match starts at 12:50 and lasts 2 hours 45 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 14:35
35. 35.Write 5:45 p.m. in 24-hour time. (a) 17:45 (b) 05:45 (c) 19:45
36. 36.A film is 4 hours 25 minutes long. How many minutes is that?
37. 37.A match starts at 08:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 08:55
38. 38.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 10:25 (c) 08:25
39. 39.A match starts at 09:00 and lasts 1 hour 25 minutes. At what time does it end? (a) 09:25 (b) 11:25 (c) 10:25
40. 40.Write 11:15 a.m. in 24-hour time. (a) 11:15 (b) 13:15 (c) 23:15

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