Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 574 · 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.A match starts at 08:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
2. 2.What is 05:05 in 12-hour time? (a) 7:05 a.m. (b) 5:05 p.m. (c) 5:05 a.m.
3. 3.How many hours are there from 12:00 to 17:00?
4. 4.A match starts at 13:25 and lasts 4 hours 10 minutes. At what time does it end? (a) 18:35 (b) 17:35 (c) 16:35
5. 5.How many hours are there from 06:00 to 11:00?
6. 6.Write 4:30 p.m. in 24-hour time. (a) 04:30 (b) 16:30 (c) 18:30
7. 7.Write 10:50 a.m. in 24-hour time. (a) 10:50 (b) 12:50 (c) 22:50
8. 8.A film is 2 hours 20 minutes long. How many minutes is that?
9. 9.A train leaves at 13:55 and reaches at 16:15. How long is the journey (in minutes)?
10. 10.What is 01:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 a.m. (c) 1:20 p.m.
11. 11.A match starts at 17:55 and lasts 1 hour. At what time does it end? (a) 19:55 (b) 17:55 (c) 18:55
12. 12.How many hours are there from 07:00 to 20:00?
13. 13.A match starts at 12:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 13:25
14. 14.A train leaves at 09:30 and reaches at 09:55. How long is the journey (in minutes)?
15. 15.A match starts at 13:15 and lasts 3 hours 25 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
16. 16.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 02:30 (c) 14:30
17. 17.How many hours are there from 08:00 to 16:00?
18. 18.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 a.m. (c) 2:30 p.m.
19. 19.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 15:50 (c) 05:50
20. 20.A film is 3 hours 5 minutes long. How many minutes is that?
21. 21.A film is 1 hour 45 minutes long. How many minutes is that?
22. 22.A film is 3 hours 50 minutes long. How many minutes is that?
23. 23.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 a.m. (c) 10:00 p.m.
24. 24.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
25. 25.A train leaves at 16:35 and reaches at 19:35. How long is the journey (in minutes)?
26. 26.A film is 1 hour 30 minutes long. How many minutes is that?
27. 27.What is 04:30 in 12-hour time? (a) 4:30 a.m. (b) 6:30 a.m. (c) 4:30 p.m.
28. 28.What is 05:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 a.m. (c) 5:35 a.m.
29. 29.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 23:25 (c) 21:25
30. 30.What is 11:40 in 12-hour time? (a) 1:40 a.m. (b) 11:40 p.m. (c) 11:40 a.m.
31. 31.How many hours are there from 05:00 to 08:00?
32. 32.A match starts at 11:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
33. 33.A film is 3 hours 55 minutes long. How many minutes is that?
34. 34.What is 04:00 in 12-hour time? (a) 4:00 p.m. (b) 4:00 a.m. (c) 6:00 a.m.
35. 35.A train leaves at 06:55 and reaches at 07:40. How long is the journey (in minutes)?
36. 36.A train leaves at 19:35 and reaches at 21:35. How long is the journey (in minutes)?
37. 37.How many hours are there from 08:00 to 14:00?
38. 38.Write 1:55 p.m. in 24-hour time. (a) 13:55 (b) 01:55 (c) 15:55
39. 39.A match starts at 18:05 and lasts 3 hours. At what time does it end? (a) 20:05 (b) 22:05 (c) 21:05
40. 40.What is 19:35 in 12-hour time? (a) 7:35 a.m. (b) 9:35 p.m. (c) 7:35 p.m.

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