Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 909 · 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.What is 01:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 a.m. (c) 1:20 p.m.
2. 2.A train leaves at 13:20 and reaches at 14:05. How long is the journey (in minutes)?
3. 3.How many hours are there from 07:00 to 12:00?
4. 4.A match starts at 09:15 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 11:40
5. 5.A train leaves at 12:25 and reaches at 14:30. How long is the journey (in minutes)?
6. 6.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 04:40 (c) 06:40
7. 7.How many hours are there from 05:00 to 13:00?
8. 8.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
9. 9.Write 8:50 a.m. in 24-hour time. (a) 08:50 (b) 20:50 (c) 10:50
10. 10.A film is 1 hour 15 minutes long. How many minutes is that?
11. 11.A match starts at 14:30 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:05 (b) 15:05 (c) 16:05
12. 12.A match starts at 16:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 21:15 (b) 19:15 (c) 20:15
13. 13.A train leaves at 19:00 and reaches at 22:10. How long is the journey (in minutes)?
14. 14.How many hours are there from 11:00 to 16:00?
15. 15.How many hours are there from 06:00 to 11:00?
16. 16.Write 8:05 a.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 10:05
17. 17.A film is 1 hour 40 minutes long. How many minutes is that?
18. 18.A film is 4 hours 35 minutes long. How many minutes is that?
19. 19.A match starts at 09:00 and lasts 1 hour 55 minutes. At what time does it end? (a) 11:55 (b) 10:55 (c) 09:55
20. 20.A film is 2 hours 40 minutes long. How many minutes is that?
21. 21.A match starts at 18:50 and lasts 3 hours 10 minutes. At what time does it end? (a) 22:00 (b) 21:00 (c) 23:00
22. 22.A train leaves at 10:15 and reaches at 11:25. How long is the journey (in minutes)?
23. 23.A match starts at 07:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 10:00 (b) 11:00 (c) 12:00
24. 24.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.
25. 25.How many hours are there from 07:00 to 21:00?
26. 26.How many hours are there from 06:00 to 17:00?
27. 27.What is 14:10 in 12-hour time? (a) 4:10 p.m. (b) 2:10 a.m. (c) 2:10 p.m.
28. 28.Write 10:30 a.m. in 24-hour time. (a) 12:30 (b) 22:30 (c) 10:30
29. 29.What is 09:30 in 12-hour time? (a) 9:30 a.m. (b) 11:30 a.m. (c) 9:30 p.m.
30. 30.A match starts at 09:40 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:30 (b) 12:30 (c) 11:30
31. 31.How many hours are there from 08:00 to 12:00?
32. 32.What is 16:20 in 12-hour time? (a) 6:20 p.m. (b) 4:20 p.m. (c) 4:20 a.m.
33. 33.How many hours are there from 12:00 to 21:00?
34. 34.What is 08:45 in 12-hour time? (a) 10:45 a.m. (b) 8:45 p.m. (c) 8:45 a.m.
35. 35.A train leaves at 09:00 and reaches at 10:00. How long is the journey (in minutes)?
36. 36.A film is 4 hours 30 minutes long. How many minutes is that?
37. 37.How many hours are there from 08:00 to 21:00?
38. 38.How many hours are there from 08:00 to 15:00?
39. 39.How many hours are there from 07:00 to 09:00?
40. 40.What is 20:45 in 12-hour time? (a) 10:45 p.m. (b) 8:45 a.m. (c) 8:45 p.m.

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