Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 761 · 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 film is 3 hours 5 minutes long. How many minutes is that?
2. 2.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
3. 3.A train leaves at 10:00 and reaches at 11:20. How long is the journey (in minutes)?
4. 4.A match starts at 18:30 and lasts 4 hours 50 minutes. At what time does it end? (a) 00:20 (b) 22:20 (c) 23:20
5. 5.How many hours are there from 06:00 to 16:00?
6. 6.What is 22:10 in 12-hour time? (a) 10:10 a.m. (b) 12:10 p.m. (c) 10:10 p.m.
7. 7.Write 2:30 p.m. in 24-hour time. (a) 16:30 (b) 02:30 (c) 14:30
8. 8.A match starts at 06:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 08:55 (b) 07:55 (c) 06:55
9. 9.What is 09:15 in 12-hour time? (a) 9:15 a.m. (b) 11:15 a.m. (c) 9:15 p.m.
10. 10.A match starts at 08:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 11:30 (b) 10:30 (c) 09:30
11. 11.A film is 3 hours 10 minutes long. How many minutes is that?
12. 12.How many hours are there from 09:00 to 11:00?
13. 13.A train leaves at 16:05 and reaches at 17:30. How long is the journey (in minutes)?
14. 14.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
15. 15.A film is 3 hours 20 minutes long. How many minutes is that?
16. 16.A film is 3 hours 15 minutes long. How many minutes is that?
17. 17.Write 9:20 a.m. in 24-hour time. (a) 09:20 (b) 11:20 (c) 21:20
18. 18.A train leaves at 08:15 and reaches at 11:30. How long is the journey (in minutes)?
19. 19.What is 13:20 in 12-hour time? (a) 1:20 p.m. (b) 1:20 a.m. (c) 3:20 p.m.
20. 20.A film is 1 hour 30 minutes long. How many minutes is that?
21. 21.Write 11:25 p.m. in 24-hour time. (a) 11:25 (b) 01:25 (c) 23:25
22. 22.Write 8:20 p.m. in 24-hour time. (a) 20:20 (b) 22:20 (c) 08:20
23. 23.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 05:40 (c) 15:40
24. 24.A train leaves at 11:00 and reaches at 13:10. How long is the journey (in minutes)?
25. 25.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 03:20 (c) 01:20
26. 26.A match starts at 06:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 08:15 (b) 09:15 (c) 10:15
27. 27.What is 04:25 in 12-hour time? (a) 6:25 a.m. (b) 4:25 p.m. (c) 4:25 a.m.
28. 28.A train leaves at 13:45 and reaches at 15:35. How long is the journey (in minutes)?
29. 29.A film is 1 hour 50 minutes long. How many minutes is that?
30. 30.A match starts at 16:25 and lasts 3 hours 25 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
31. 31.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 p.m. (c) 7:05 a.m.
32. 32.How many hours are there from 08:00 to 22:00?
33. 33.A match starts at 10:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:30 (b) 12:30 (c) 11:30
34. 34.How many hours are there from 10:00 to 18:00?
35. 35.How many hours are there from 05:00 to 16:00?
36. 36.What is 11:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 a.m. (c) 11:35 p.m.
37. 37.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 7:05 p.m. (c) 5:05 a.m.
38. 38.A train leaves at 19:05 and reaches at 20:05. How long is the journey (in minutes)?
39. 39.A train leaves at 18:40 and reaches at 20:20. How long is the journey (in minutes)?
40. 40.Write 9:45 p.m. in 24-hour time. (a) 09:45 (b) 23:45 (c) 21:45

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