Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 887 · 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 19:20 in 12-hour time? (a) 7:20 a.m. (b) 9:20 p.m. (c) 7:20 p.m.
2. 2.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 2:45 p.m. (c) 4:45 p.m.
3. 3.A film is 3 hours 55 minutes long. How many minutes is that?
4. 4.A train leaves at 13:05 and reaches at 14:00. How long is the journey (in minutes)?
5. 5.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 a.m. (c) 1:20 p.m.
6. 6.A train leaves at 16:05 and reaches at 18:15. How long is the journey (in minutes)?
7. 7.A match starts at 07:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:15 (b) 11:15 (c) 09:15
8. 8.A match starts at 17:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 19:45 (b) 21:45 (c) 20:45
9. 9.How many hours are there from 07:00 to 14:00?
10. 10.How many hours are there from 09:00 to 17:00?
11. 11.A train leaves at 09:55 and reaches at 13:00. How long is the journey (in minutes)?
12. 12.A film is 1 hour 30 minutes long. How many minutes is that?
13. 13.A match starts at 17:15 and lasts 1 hour 20 minutes. At what time does it end? (a) 19:35 (b) 18:35 (c) 17:35
14. 14.What is 10:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 a.m.
15. 15.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 a.m. (c) 10:55 p.m.
16. 16.What is 01:10 in 12-hour time? (a) 3:10 a.m. (b) 1:10 a.m. (c) 1:10 p.m.
17. 17.A film is 4 hours 55 minutes long. How many minutes is that?
18. 18.What is 01:35 in 12-hour time? (a) 3:35 a.m. (b) 1:35 a.m. (c) 1:35 p.m.
19. 19.A film is 1 hour 40 minutes long. How many minutes is that?
20. 20.How many hours are there from 09:00 to 20:00?
21. 21.A train leaves at 15:50 and reaches at 18:05. How long is the journey (in minutes)?
22. 22.A film is 4 hours 45 minutes long. How many minutes is that?
23. 23.A film is 3 hours 30 minutes long. How many minutes is that?
24. 24.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 a.m. (c) 2:00 p.m.
25. 25.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 a.m. (c) 2:25 p.m.
26. 26.Write 4:20 p.m. in 24-hour time. (a) 04:20 (b) 16:20 (c) 18:20
27. 27.Write 3:55 a.m. in 24-hour time. (a) 15:55 (b) 05:55 (c) 03:55
28. 28.A match starts at 12:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:25 (b) 15:25 (c) 14:25
29. 29.What is 20:20 in 12-hour time? (a) 8:20 p.m. (b) 10:20 p.m. (c) 8:20 a.m.
30. 30.A match starts at 11:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 11:45
31. 31.How many hours are there from 10:00 to 20:00?
32. 32.A film is 3 hours 35 minutes long. How many minutes is that?
33. 33.A match starts at 13:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 13:40
34. 34.A train leaves at 12:55 and reaches at 15:20. How long is the journey (in minutes)?
35. 35.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
36. 36.Write 8:55 a.m. in 24-hour time. (a) 20:55 (b) 08:55 (c) 10:55
37. 37.A train leaves at 18:15 and reaches at 20:15. How long is the journey (in minutes)?
38. 38.How many hours are there from 06:00 to 18:00?
39. 39.A train leaves at 15:25 and reaches at 17:25. How long is the journey (in minutes)?
40. 40.What is 20:55 in 12-hour time? (a) 10:55 p.m. (b) 8:55 p.m. (c) 8:55 a.m.

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