Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 424 · 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 09:55 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 11:45
2. 2.Write 8:35 a.m. in 24-hour time. (a) 08:35 (b) 10:35 (c) 20:35
3. 3.What is 19:30 in 12-hour time? (a) 7:30 p.m. (b) 7:30 a.m. (c) 9:30 p.m.
4. 4.How many hours are there from 06:00 to 09:00?
5. 5.How many hours are there from 07:00 to 20:00?
6. 6.How many hours are there from 08:00 to 17:00?
7. 7.Write 2:50 p.m. in 24-hour time. (a) 16:50 (b) 02:50 (c) 14:50
8. 8.A film is 3 hours 5 minutes long. How many minutes is that?
9. 9.A film is 2 hours 20 minutes long. How many minutes is that?
10. 10.Write 6:15 p.m. in 24-hour time. (a) 06:15 (b) 18:15 (c) 20:15
11. 11.A film is 2 hours 50 minutes long. How many minutes is that?
12. 12.A match starts at 07:45 and lasts 3 hours 15 minutes. At what time does it end? (a) 10:00 (b) 12:00 (c) 11:00
13. 13.A train leaves at 07:20 and reaches at 10:20. How long is the journey (in minutes)?
14. 14.What is 04:45 in 12-hour time? (a) 4:45 p.m. (b) 6:45 a.m. (c) 4:45 a.m.
15. 15.How many hours are there from 12:00 to 21:00?
16. 16.A train leaves at 19:05 and reaches at 20:20. How long is the journey (in minutes)?
17. 17.How many hours are there from 08:00 to 12:00?
18. 18.A film is 4 hours 20 minutes long. How many minutes is that?
19. 19.A match starts at 18:20 and lasts 4 hours 15 minutes. At what time does it end? (a) 23:35 (b) 21:35 (c) 22:35
20. 20.A train leaves at 09:05 and reaches at 10:10. How long is the journey (in minutes)?
21. 21.A train leaves at 16:45 and reaches at 18:15. How long is the journey (in minutes)?
22. 22.What is 01:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 a.m.
23. 23.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 a.m. (c) 11:40 p.m.
24. 24.How many hours are there from 12:00 to 18:00?
25. 25.What is 15:55 in 12-hour time? (a) 3:55 a.m. (b) 5:55 p.m. (c) 3:55 p.m.
26. 26.A train leaves at 12:55 and reaches at 16:15. How long is the journey (in minutes)?
27. 27.A train leaves at 10:40 and reaches at 11:40. How long is the journey (in minutes)?
28. 28.What is 03:10 in 12-hour time? (a) 5:10 a.m. (b) 3:10 p.m. (c) 3:10 a.m.
29. 29.A train leaves at 10:00 and reaches at 11:50. How long is the journey (in minutes)?
30. 30.What is 23:55 in 12-hour time? (a) 11:55 a.m. (b) 11:55 p.m. (c) 1:55 p.m.
31. 31.A train leaves at 19:45 and reaches at 20:20. How long is the journey (in minutes)?
32. 32.What is 07:15 in 12-hour time? (a) 9:15 a.m. (b) 7:15 a.m. (c) 7:15 p.m.
33. 33.What is 09:00 in 12-hour time? (a) 9:00 p.m. (b) 11:00 a.m. (c) 9:00 a.m.
34. 34.How many hours are there from 06:00 to 22:00?
35. 35.A train leaves at 13:20 and reaches at 16:40. How long is the journey (in minutes)?
36. 36.A train leaves at 08:20 and reaches at 09:25. How long is the journey (in minutes)?
37. 37.A match starts at 07:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 12:55 (b) 11:55 (c) 10:55
38. 38.A film is 4 hours 45 minutes long. How many minutes is that?
39. 39.How many hours are there from 07:00 to 21:00?
40. 40.A match starts at 15:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 17:35 (b) 19:35 (c) 18:35

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