Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 276 · 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 09:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 12:15
2. 2.A film is 1 hour 25 minutes long. How many minutes is that?
3. 3.How many hours are there from 10:00 to 17:00?
4. 4.A train leaves at 17:10 and reaches at 18:20. How long is the journey (in minutes)?
5. 5.What is 23:10 in 12-hour time? (a) 11:10 a.m. (b) 1:10 p.m. (c) 11:10 p.m.
6. 6.A match starts at 11:50 and lasts 4 hours 25 minutes. At what time does it end? (a) 15:15 (b) 17:15 (c) 16:15
7. 7.How many hours are there from 05:00 to 18:00?
8. 8.A match starts at 10:50 and lasts 1 hour 55 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 11:45
9. 9.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 a.m. (c) 10:00 p.m.
10. 10.A train leaves at 10:15 and reaches at 12:15. How long is the journey (in minutes)?
11. 11.A match starts at 08:00 and lasts 3 hours 20 minutes. At what time does it end? (a) 10:20 (b) 12:20 (c) 11:20
12. 12.What is 02:40 in 12-hour time? (a) 2:40 p.m. (b) 2:40 a.m. (c) 4:40 a.m.
13. 13.What is 03:35 in 12-hour time? (a) 3:35 a.m. (b) 3:35 p.m. (c) 5:35 a.m.
14. 14.A film is 2 hours 15 minutes long. How many minutes is that?
15. 15.Write 4:00 a.m. in 24-hour time. (a) 06:00 (b) 16:00 (c) 04:00
16. 16.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 3:50 a.m. (c) 1:50 a.m.
17. 17.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 20:05 (c) 08:05
18. 18.What is 08:45 in 12-hour time? (a) 8:45 p.m. (b) 10:45 a.m. (c) 8:45 a.m.
19. 19.How many hours are there from 06:00 to 21:00?
20. 20.Write 11:15 a.m. in 24-hour time. (a) 23:15 (b) 13:15 (c) 11:15
21. 21.How many hours are there from 07:00 to 10:00?
22. 22.A match starts at 06:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 08:15 (b) 09:15 (c) 10:15
23. 23.Write 5:55 a.m. in 24-hour time. (a) 07:55 (b) 17:55 (c) 05:55
24. 24.A film is 2 hours 50 minutes long. How many minutes is that?
25. 25.What is 18:00 in 12-hour time? (a) 6:00 a.m. (b) 6:00 p.m. (c) 8:00 p.m.
26. 26.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 a.m. (c) 1:55 p.m.
27. 27.A film is 1 hour 55 minutes long. How many minutes is that?
28. 28.How many hours are there from 10:00 to 22:00?
29. 29.What is 15:50 in 12-hour time? (a) 5:50 p.m. (b) 3:50 p.m. (c) 3:50 a.m.
30. 30.A film is 2 hours 55 minutes long. How many minutes is that?
31. 31.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 a.m.
32. 32.A match starts at 06:15 and lasts 1 hour 40 minutes. At what time does it end? (a) 08:55 (b) 06:55 (c) 07:55
33. 33.How many hours are there from 10:00 to 23:00?
34. 34.A train leaves at 09:30 and reaches at 09:55. How long is the journey (in minutes)?
35. 35.A train leaves at 15:55 and reaches at 17:15. How long is the journey (in minutes)?
36. 36.A train leaves at 11:25 and reaches at 13:30. How long is the journey (in minutes)?
37. 37.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
38. 38.A match starts at 14:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 20:00 (b) 18:00 (c) 19:00
39. 39.A match starts at 17:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 19:40 (b) 18:40 (c) 17:40
40. 40.How many hours are there from 11:00 to 14:00?

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