Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 436 · 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 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
2. 2.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 a.m. (c) 2:30 p.m.
3. 3.A match starts at 10:55 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:45 (b) 15:45 (c) 16:45
4. 4.A film is 2 hours 5 minutes long. How many minutes is that?
5. 5.What is 11:15 in 12-hour time? (a) 11:15 a.m. (b) 11:15 p.m. (c) 1:15 a.m.
6. 6.A match starts at 12:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 15:15
7. 7.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 07:50 (c) 19:50
8. 8.How many hours are there from 06:00 to 17:00?
9. 9.A film is 1 hour 40 minutes long. How many minutes is that?
10. 10.Write 4:35 a.m. in 24-hour time. (a) 16:35 (b) 06:35 (c) 04:35
11. 11.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 p.m. (c) 10:15 a.m.
12. 12.What is 14:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 p.m. (c) 2:15 p.m.
13. 13.A train leaves at 08:55 and reaches at 10:15. How long is the journey (in minutes)?
14. 14.A film is 3 hours 35 minutes long. How many minutes is that?
15. 15.A film is 4 hours 35 minutes long. How many minutes is that?
16. 16.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
17. 17.How many hours are there from 10:00 to 19:00?
18. 18.A train leaves at 11:15 and reaches at 14:25. How long is the journey (in minutes)?
19. 19.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 p.m. (c) 1:20 a.m.
20. 20.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 a.m. (c) 4:40 p.m.
21. 21.A film is 3 hours 45 minutes long. How many minutes is that?
22. 22.Write 7:30 a.m. in 24-hour time. (a) 09:30 (b) 19:30 (c) 07:30
23. 23.What is 20:20 in 12-hour time? (a) 8:20 p.m. (b) 8:20 a.m. (c) 10:20 p.m.
24. 24.Write 2:45 a.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 04:45
25. 25.A train leaves at 13:10 and reaches at 15:00. How long is the journey (in minutes)?
26. 26.A train leaves at 08:00 and reaches at 10:40. How long is the journey (in minutes)?
27. 27.A match starts at 10:55 and lasts 2 hours 55 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
28. 28.A film is 1 hour 50 minutes long. How many minutes is that?
29. 29.A film is 3 hours 15 minutes long. How many minutes is that?
30. 30.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 07:10
31. 31.A match starts at 12:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:20 (b) 15:20 (c) 16:20
32. 32.A match starts at 12:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 17:20 (b) 15:20 (c) 16:20
33. 33.A train leaves at 09:30 and reaches at 10:45. How long is the journey (in minutes)?
34. 34.Write 3:40 a.m. in 24-hour time. (a) 05:40 (b) 15:40 (c) 03:40
35. 35.A film is 1 hour 15 minutes long. How many minutes is that?
36. 36.How many hours are there from 06:00 to 11:00?
37. 37.Write 5:45 a.m. in 24-hour time. (a) 17:45 (b) 05:45 (c) 07:45
38. 38.A train leaves at 12:05 and reaches at 12:40. How long is the journey (in minutes)?
39. 39.A film is 2 hours 15 minutes long. How many minutes is that?
40. 40.A match starts at 18:05 and lasts 2 hours 5 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10

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