Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 253 · 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 10:50 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:20 (b) 12:20 (c) 13:20
2. 2.A train leaves at 18:35 and reaches at 20:55. How long is the journey (in minutes)?
3. 3.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 1:50 a.m. (c) 11:50 p.m.
4. 4.A train leaves at 08:25 and reaches at 11:25. How long is the journey (in minutes)?
5. 5.A match starts at 07:45 and lasts 3 hours 50 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
6. 6.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 p.m. (c) 10:00 a.m.
7. 7.A train leaves at 13:00 and reaches at 15:10. How long is the journey (in minutes)?
8. 8.What is 10:40 in 12-hour time? (a) 12:40 a.m. (b) 10:40 a.m. (c) 10:40 p.m.
9. 9.A train leaves at 09:45 and reaches at 11:55. How long is the journey (in minutes)?
10. 10.A train leaves at 09:05 and reaches at 11:10. How long is the journey (in minutes)?
11. 11.A match starts at 15:20 and lasts 3 hours 15 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 17:35
12. 12.A film is 3 hours 30 minutes long. How many minutes is that?
13. 13.A film is 4 hours 35 minutes long. How many minutes is that?
14. 14.Write 6:20 a.m. in 24-hour time. (a) 08:20 (b) 06:20 (c) 18:20
15. 15.How many hours are there from 06:00 to 10:00?
16. 16.What is 05:25 in 12-hour time? (a) 5:25 a.m. (b) 7:25 a.m. (c) 5:25 p.m.
17. 17.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 13:10 (c) 23:10
18. 18.How many hours are there from 05:00 to 17:00?
19. 19.How many hours are there from 05:00 to 08:00?
20. 20.What is 19:15 in 12-hour time? (a) 9:15 p.m. (b) 7:15 a.m. (c) 7:15 p.m.
21. 21.A film is 2 hours 5 minutes long. How many minutes is that?
22. 22.A train leaves at 17:10 and reaches at 19:55. How long is the journey (in minutes)?
23. 23.A train leaves at 09:05 and reaches at 10:20. How long is the journey (in minutes)?
24. 24.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 06:50 (c) 04:50
25. 25.How many hours are there from 09:00 to 15:00?
26. 26.What is 18:10 in 12-hour time? (a) 6:10 p.m. (b) 8:10 p.m. (c) 6:10 a.m.
27. 27.A match starts at 08:30 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 11:45
28. 28.What is 16:20 in 12-hour time? (a) 4:20 p.m. (b) 4:20 a.m. (c) 6:20 p.m.
29. 29.A film is 2 hours 45 minutes long. How many minutes is that?
30. 30.A film is 3 hours 50 minutes long. How many minutes is that?
31. 31.What is 19:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 p.m.
32. 32.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 a.m. (c) 2:45 a.m.
33. 33.A train leaves at 06:40 and reaches at 07:15. How long is the journey (in minutes)?
34. 34.A match starts at 06:30 and lasts 4 hours 35 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
35. 35.What is 19:20 in 12-hour time? (a) 7:20 a.m. (b) 7:20 p.m. (c) 9:20 p.m.
36. 36.A film is 3 hours 10 minutes long. How many minutes is that?
37. 37.Write 7:55 p.m. in 24-hour time. (a) 21:55 (b) 07:55 (c) 19:55
38. 38.A film is 4 hours 20 minutes long. How many minutes is that?
39. 39.A film is 2 hours 15 minutes long. How many minutes is that?
40. 40.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 19:35 (c) 07:35

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