Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 125 · 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 11:40 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
2. 2.What is 02:35 in 12-hour time? (a) 2:35 a.m. (b) 4:35 a.m. (c) 2:35 p.m.
3. 3.A train leaves at 10:00 and reaches at 13:10. How long is the journey (in minutes)?
4. 4.A film is 3 hours 50 minutes long. How many minutes is that?
5. 5.A train leaves at 13:15 and reaches at 15:40. How long is the journey (in minutes)?
6. 6.How many hours are there from 11:00 to 18:00?
7. 7.How many hours are there from 06:00 to 11:00?
8. 8.What is 07:45 in 12-hour time? (a) 7:45 p.m. (b) 9:45 a.m. (c) 7:45 a.m.
9. 9.Write 6:45 p.m. in 24-hour time. (a) 20:45 (b) 06:45 (c) 18:45
10. 10.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
11. 11.How many hours are there from 09:00 to 14:00?
12. 12.Write 11:00 a.m. in 24-hour time. (a) 11:00 (b) 13:00 (c) 23:00
13. 13.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 12:45 a.m. (c) 10:45 a.m.
14. 14.How many hours are there from 10:00 to 14:00?
15. 15.A film is 2 hours 5 minutes long. How many minutes is that?
16. 16.A train leaves at 12:35 and reaches at 15:20. How long is the journey (in minutes)?
17. 17.A train leaves at 09:50 and reaches at 13:00. How long is the journey (in minutes)?
18. 18.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 a.m.
19. 19.Write 8:00 p.m. in 24-hour time. (a) 22:00 (b) 08:00 (c) 20:00
20. 20.Write 10:50 p.m. in 24-hour time. (a) 00:50 (b) 22:50 (c) 10:50
21. 21.How many hours are there from 12:00 to 15:00?
22. 22.What is 23:25 in 12-hour time? (a) 11:25 p.m. (b) 11:25 a.m. (c) 1:25 p.m.
23. 23.What is 06:15 in 12-hour time? (a) 6:15 p.m. (b) 8:15 a.m. (c) 6:15 a.m.
24. 24.How many hours are there from 07:00 to 11:00?
25. 25.A match starts at 14:50 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:05 (b) 17:05 (c) 18:05
26. 26.A film is 2 hours 15 minutes long. How many minutes is that?
27. 27.A film is 4 hours 10 minutes long. How many minutes is that?
28. 28.A train leaves at 16:40 and reaches at 17:35. How long is the journey (in minutes)?
29. 29.A match starts at 09:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
30. 30.How many hours are there from 07:00 to 22:00?
31. 31.Write 1:30 p.m. in 24-hour time. (a) 01:30 (b) 15:30 (c) 13:30
32. 32.A match starts at 06:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:45 (b) 07:45 (c) 08:45
33. 33.A film is 4 hours 5 minutes long. How many minutes is that?
34. 34.A train leaves at 09:50 and reaches at 12:50. How long is the journey (in minutes)?
35. 35.Write 5:00 p.m. in 24-hour time. (a) 19:00 (b) 05:00 (c) 17:00
36. 36.A film is 1 hour 5 minutes long. How many minutes is that?
37. 37.Write 11:20 p.m. in 24-hour time. (a) 23:20 (b) 11:20 (c) 01:20
38. 38.A train leaves at 13:10 and reaches at 15:15. How long is the journey (in minutes)?
39. 39.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 03:50
40. 40.A train leaves at 18:30 and reaches at 20:10. How long is the journey (in minutes)?

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