Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 819 · 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 11:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
2. 2.A train leaves at 10:30 and reaches at 11:20. How long is the journey (in minutes)?
3. 3.How many hours are there from 12:00 to 14:00?
4. 4.A match starts at 11:30 and lasts 2 hours 10 minutes. At what time does it end? (a) 12:40 (b) 13:40 (c) 14:40
5. 5.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 a.m. (c) 1:00 p.m.
6. 6.A match starts at 09:35 and lasts 2 hours 45 minutes. At what time does it end? (a) 13:20 (b) 12:20 (c) 11:20
7. 7.A match starts at 18:30 and lasts 1 hour 5 minutes. At what time does it end? (a) 19:35 (b) 18:35 (c) 20:35
8. 8.A film is 1 hour 50 minutes long. How many minutes is that?
9. 9.A train leaves at 09:45 and reaches at 11:50. How long is the journey (in minutes)?
10. 10.What is 20:25 in 12-hour time? (a) 8:25 p.m. (b) 10:25 p.m. (c) 8:25 a.m.
11. 11.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 a.m.
12. 12.How many hours are there from 11:00 to 20:00?
13. 13.A film is 3 hours 10 minutes long. How many minutes is that?
14. 14.A train leaves at 06:00 and reaches at 09:20. How long is the journey (in minutes)?
15. 15.Write 11:15 p.m. in 24-hour time. (a) 11:15 (b) 01:15 (c) 23:15
16. 16.A match starts at 14:25 and lasts 4 hours 15 minutes. At what time does it end? (a) 17:40 (b) 19:40 (c) 18:40
17. 17.A match starts at 08:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 12:05 (b) 14:05 (c) 13:05
18. 18.A train leaves at 10:25 and reaches at 12:45. How long is the journey (in minutes)?
19. 19.How many hours are there from 12:00 to 19:00?
20. 20.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 3:10 a.m. (c) 5:10 p.m.
21. 21.Write 3:25 a.m. in 24-hour time. (a) 03:25 (b) 05:25 (c) 15:25
22. 22.A film is 4 hours 5 minutes long. How many minutes is that?
23. 23.A train leaves at 10:20 and reaches at 11:30. How long is the journey (in minutes)?
24. 24.How many hours are there from 05:00 to 17:00?
25. 25.What is 03:40 in 12-hour time? (a) 5:40 a.m. (b) 3:40 a.m. (c) 3:40 p.m.
26. 26.What is 10:20 in 12-hour time? (a) 12:20 a.m. (b) 10:20 p.m. (c) 10:20 a.m.
27. 27.What is 16:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 p.m. (c) 4:05 a.m.
28. 28.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 18:45 (c) 06:45
29. 29.How many hours are there from 10:00 to 19:00?
30. 30.Write 1:40 p.m. in 24-hour time. (a) 15:40 (b) 01:40 (c) 13:40
31. 31.What is 06:55 in 12-hour time? (a) 8:55 a.m. (b) 6:55 p.m. (c) 6:55 a.m.
32. 32.A film is 2 hours 5 minutes long. How many minutes is that?
33. 33.What is 15:55 in 12-hour time? (a) 3:55 p.m. (b) 5:55 p.m. (c) 3:55 a.m.
34. 34.A train leaves at 06:00 and reaches at 08:10. How long is the journey (in minutes)?
35. 35.How many hours are there from 09:00 to 14:00?
36. 36.A match starts at 09:35 and lasts 2 hours. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
37. 37.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 a.m. (c) 3:35 p.m.
38. 38.A film is 1 hour 40 minutes long. How many minutes is that?
39. 39.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 a.m. (c) 7:30 p.m.
40. 40.A film is 4 hours 15 minutes long. How many minutes is that?

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