Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 616 · 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 1:00 p.m. in 24-hour time. (a) 15:00 (b) 01:00 (c) 13:00
3. 3.What is 09:20 in 12-hour time? (a) 9:20 a.m. (b) 11:20 a.m. (c) 9:20 p.m.
4. 4.What is 18:40 in 12-hour time? (a) 6:40 a.m. (b) 8:40 p.m. (c) 6:40 p.m.
5. 5.What is 22:50 in 12-hour time? (a) 12:50 p.m. (b) 10:50 p.m. (c) 10:50 a.m.
6. 6.A film is 1 hour 20 minutes long. How many minutes is that?
7. 7.A train leaves at 19:35 and reaches at 21:15. How long is the journey (in minutes)?
8. 8.A train leaves at 06:15 and reaches at 08:50. How long is the journey (in minutes)?
9. 9.A match starts at 18:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 21:10 (b) 20:10 (c) 22:10
10. 10.A film is 3 hours 35 minutes long. How many minutes is that?
11. 11.What is 01:20 in 12-hour time? (a) 1:20 a.m. (b) 3:20 a.m. (c) 1:20 p.m.
12. 12.A train leaves at 13:40 and reaches at 15:05. How long is the journey (in minutes)?
13. 13.What is 09:55 in 12-hour time? (a) 9:55 a.m. (b) 11:55 a.m. (c) 9:55 p.m.
14. 14.A train leaves at 15:30 and reaches at 18:30. How long is the journey (in minutes)?
15. 15.How many hours are there from 12:00 to 23:00?
16. 16.A film is 2 hours 50 minutes long. How many minutes is that?
17. 17.A match starts at 12:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:10 (b) 16:10 (c) 14:10
18. 18.A film is 1 hour 40 minutes long. How many minutes is that?
19. 19.What is 01:25 in 12-hour time? (a) 3:25 a.m. (b) 1:25 a.m. (c) 1:25 p.m.
20. 20.A train leaves at 19:10 and reaches at 21:00. How long is the journey (in minutes)?
21. 21.What is 16:55 in 12-hour time? (a) 4:55 p.m. (b) 4:55 a.m. (c) 6:55 p.m.
22. 22.A film is 4 hours 30 minutes long. How many minutes is that?
23. 23.A film is 1 hour 35 minutes long. How many minutes is that?
24. 24.A match starts at 08:50 and lasts 2 hours 55 minutes. At what time does it end? (a) 11:45 (b) 12:45 (c) 10:45
25. 25.A train leaves at 09:15 and reaches at 10:40. How long is the journey (in minutes)?
26. 26.A film is 4 hours 5 minutes long. How many minutes is that?
27. 27.A film is 2 hours 40 minutes long. How many minutes is that?
28. 28.A match starts at 18:30 and lasts 4 hours. At what time does it end? (a) 21:30 (b) 22:30 (c) 23:30
29. 29.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 a.m. (c) 9:40 p.m.
30. 30.What is 01:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 a.m.
31. 31.A match starts at 12:35 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:10 (b) 16:10 (c) 15:10
32. 32.Write 2:05 a.m. in 24-hour time. (a) 14:05 (b) 04:05 (c) 02:05
33. 33.A match starts at 18:10 and lasts 1 hour 40 minutes. At what time does it end? (a) 19:50 (b) 20:50 (c) 18:50
34. 34.What is 17:25 in 12-hour time? (a) 5:25 p.m. (b) 5:25 a.m. (c) 7:25 p.m.
35. 35.What is 21:35 in 12-hour time? (a) 11:35 p.m. (b) 9:35 p.m. (c) 9:35 a.m.
36. 36.What is 22:25 in 12-hour time? (a) 10:25 a.m. (b) 12:25 p.m. (c) 10:25 p.m.
37. 37.How many hours are there from 05:00 to 20:00?
38. 38.How many hours are there from 11:00 to 21:00?
39. 39.How many hours are there from 12:00 to 14:00?
40. 40.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 13:50

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