Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 75 · 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 15:30 in 12-hour time? (a) 3:30 p.m. (b) 5:30 p.m. (c) 3:30 a.m.
2. 2.A match starts at 06:05 and lasts 1 hour. At what time does it end? (a) 08:05 (b) 06:05 (c) 07:05
3. 3.A film is 1 hour 55 minutes long. How many minutes is that?
4. 4.A film is 3 hours 55 minutes long. How many minutes is that?
5. 5.How many hours are there from 09:00 to 11:00?
6. 6.A train leaves at 17:10 and reaches at 20:20. How long is the journey (in minutes)?
7. 7.A train leaves at 11:30 and reaches at 13:40. How long is the journey (in minutes)?
8. 8.A train leaves at 18:55 and reaches at 19:45. How long is the journey (in minutes)?
9. 9.A match starts at 13:40 and lasts 4 hours. At what time does it end? (a) 18:40 (b) 17:40 (c) 16:40
10. 10.A match starts at 17:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 22:25 (b) 20:25 (c) 21:25
11. 11.A match starts at 08:20 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:15 (b) 11:15 (c) 10:15
12. 12.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 15:25 (c) 01:25
13. 13.A train leaves at 11:40 and reaches at 14:55. How long is the journey (in minutes)?
14. 14.What is 20:20 in 12-hour time? (a) 8:20 a.m. (b) 8:20 p.m. (c) 10:20 p.m.
15. 15.How many hours are there from 11:00 to 14:00?
16. 16.A train leaves at 07:50 and reaches at 08:35. How long is the journey (in minutes)?
17. 17.A match starts at 06:50 and lasts 4 hours. At what time does it end? (a) 09:50 (b) 11:50 (c) 10:50
18. 18.A train leaves at 15:45 and reaches at 18:50. How long is the journey (in minutes)?
19. 19.How many hours are there from 10:00 to 19:00?
20. 20.Write 2:35 p.m. in 24-hour time. (a) 16:35 (b) 14:35 (c) 02:35
21. 21.What is 07:15 in 12-hour time? (a) 7:15 p.m. (b) 7:15 a.m. (c) 9:15 a.m.
22. 22.How many hours are there from 10:00 to 12:00?
23. 23.A film is 1 hour 20 minutes long. How many minutes is that?
24. 24.A match starts at 06:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 09:15 (b) 08:15 (c) 10:15
25. 25.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 06:40 (c) 04:40
26. 26.A film is 1 hour 10 minutes long. How many minutes is that?
27. 27.Write 3:30 a.m. in 24-hour time. (a) 05:30 (b) 15:30 (c) 03:30
28. 28.Write 4:50 p.m. in 24-hour time. (a) 04:50 (b) 18:50 (c) 16:50
29. 29.A match starts at 17:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 17:45 (b) 18:45 (c) 19:45
30. 30.How many hours are there from 07:00 to 23:00?
31. 31.A match starts at 13:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 17:30
32. 32.A train leaves at 17:45 and reaches at 19:35. How long is the journey (in minutes)?
33. 33.Write 10:00 p.m. in 24-hour time. (a) 22:00 (b) 00:00 (c) 10:00
34. 34.What is 22:40 in 12-hour time? (a) 10:40 p.m. (b) 10:40 a.m. (c) 12:40 p.m.
35. 35.A film is 1 hour 30 minutes long. How many minutes is that?
36. 36.How many hours are there from 05:00 to 11:00?
37. 37.A film is 3 hours 5 minutes long. How many minutes is that?
38. 38.A film is 2 hours 20 minutes long. How many minutes is that?
39. 39.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 a.m. (c) 4:15 p.m.
40. 40.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 4:10 a.m. (c) 2:10 p.m.

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