Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 287 · 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 01:35 in 12-hour time? (a) 1:35 p.m. (b) 3:35 a.m. (c) 1:35 a.m.
2. 2.A film is 1 hour 5 minutes long. How many minutes is that?
3. 3.Write 6:40 p.m. in 24-hour time. (a) 06:40 (b) 18:40 (c) 20:40
4. 4.A match starts at 13:10 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20
5. 5.A film is 2 hours 50 minutes long. How many minutes is that?
6. 6.A train leaves at 09:35 and reaches at 11:50. How long is the journey (in minutes)?
7. 7.How many hours are there from 05:00 to 17:00?
8. 8.A film is 3 hours 30 minutes long. How many minutes is that?
9. 9.A train leaves at 06:30 and reaches at 07:45. How long is the journey (in minutes)?
10. 10.How many hours are there from 07:00 to 09:00?
11. 11.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 08:00 (c) 06:00
12. 12.A train leaves at 08:45 and reaches at 09:10. How long is the journey (in minutes)?
13. 13.How many hours are there from 07:00 to 19:00?
14. 14.What is 23:40 in 12-hour time? (a) 11:40 a.m. (b) 11:40 p.m. (c) 1:40 p.m.
15. 15.A train leaves at 06:40 and reaches at 08:30. How long is the journey (in minutes)?
16. 16.A film is 2 hours 20 minutes long. How many minutes is that?
17. 17.A train leaves at 14:00 and reaches at 15:30. How long is the journey (in minutes)?
18. 18.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 a.m. (c) 4:05 p.m.
19. 19.A train leaves at 15:55 and reaches at 19:10. How long is the journey (in minutes)?
20. 20.Write 8:10 a.m. in 24-hour time. (a) 08:10 (b) 10:10 (c) 20:10
21. 21.How many hours are there from 07:00 to 17:00?
22. 22.What is 04:20 in 12-hour time? (a) 6:20 a.m. (b) 4:20 a.m. (c) 4:20 p.m.
23. 23.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
24. 24.How many hours are there from 06:00 to 21:00?
25. 25.How many hours are there from 05:00 to 23:00?
26. 26.A match starts at 16:35 and lasts 2 hours 40 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15
27. 27.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 02:05 (c) 14:05
28. 28.A film is 3 hours 15 minutes long. How many minutes is that?
29. 29.A train leaves at 18:25 and reaches at 20:55. How long is the journey (in minutes)?
30. 30.Write 5:15 p.m. in 24-hour time. (a) 19:15 (b) 05:15 (c) 17:15
31. 31.A match starts at 17:40 and lasts 3 hours. At what time does it end? (a) 21:40 (b) 20:40 (c) 19:40
32. 32.How many hours are there from 06:00 to 15:00?
33. 33.What is 20:00 in 12-hour time? (a) 8:00 p.m. (b) 10:00 p.m. (c) 8:00 a.m.
34. 34.Write 8:05 a.m. in 24-hour time. (a) 20:05 (b) 10:05 (c) 08:05
35. 35.A film is 3 hours 40 minutes long. How many minutes is that?
36. 36.A film is 4 hours 5 minutes long. How many minutes is that?
37. 37.A match starts at 07:15 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:10 (b) 10:10 (c) 09:10
38. 38.A match starts at 10:35 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 11:10
39. 39.Write 3:35 p.m. in 24-hour time. (a) 03:35 (b) 17:35 (c) 15:35
40. 40.A match starts at 08:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 13:50 (b) 11:50 (c) 12:50

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