Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 609 · 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.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 5:15 p.m. (c) 3:15 p.m.
3. 3.A train leaves at 12:10 and reaches at 14:40. How long is the journey (in minutes)?
4. 4.A train leaves at 11:30 and reaches at 13:15. How long is the journey (in minutes)?
5. 5.Write 5:05 p.m. in 24-hour time. (a) 17:05 (b) 19:05 (c) 05:05
6. 6.A film is 3 hours 10 minutes long. How many minutes is that?
7. 7.A film is 1 hour 20 minutes long. How many minutes is that?
8. 8.A train leaves at 14:45 and reaches at 15:30. How long is the journey (in minutes)?
9. 9.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 03:50 (c) 15:50
10. 10.How many hours are there from 10:00 to 23:00?
11. 11.Write 1:55 p.m. in 24-hour time. (a) 15:55 (b) 01:55 (c) 13:55
12. 12.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 13:35 (c) 01:35
13. 13.A train leaves at 15:45 and reaches at 17:40. How long is the journey (in minutes)?
14. 14.A train leaves at 14:30 and reaches at 15:35. How long is the journey (in minutes)?
15. 15.A match starts at 18:00 and lasts 1 hour. At what time does it end? (a) 18:00 (b) 19:00 (c) 20:00
16. 16.A train leaves at 12:25 and reaches at 15:00. How long is the journey (in minutes)?
17. 17.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 a.m. (c) 6:20 p.m.
18. 18.A train leaves at 17:40 and reaches at 20:35. How long is the journey (in minutes)?
19. 19.What is 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 a.m. (c) 1:05 p.m.
20. 20.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 4:10 p.m. (c) 6:10 p.m.
21. 21.A train leaves at 11:35 and reaches at 14:55. How long is the journey (in minutes)?
22. 22.A film is 2 hours 45 minutes long. How many minutes is that?
23. 23.How many hours are there from 10:00 to 14:00?
24. 24.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 10:20
25. 25.A film is 2 hours 15 minutes long. How many minutes is that?
26. 26.A train leaves at 09:35 and reaches at 10:35. How long is the journey (in minutes)?
27. 27.A film is 4 hours 15 minutes long. How many minutes is that?
28. 28.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 p.m. (c) 10:55 a.m.
29. 29.What is 14:00 in 12-hour time? (a) 2:00 p.m. (b) 2:00 a.m. (c) 4:00 p.m.
30. 30.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 p.m.
31. 31.A train leaves at 17:15 and reaches at 20:20. How long is the journey (in minutes)?
32. 32.A train leaves at 15:00 and reaches at 16:35. How long is the journey (in minutes)?
33. 33.Write 10:05 a.m. in 24-hour time. (a) 22:05 (b) 10:05 (c) 12:05
34. 34.A film is 2 hours 35 minutes long. How many minutes is that?
35. 35.A match starts at 06:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 09:10 (b) 10:10 (c) 08:10
36. 36.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 04:50 (c) 02:50
37. 37.A train leaves at 16:40 and reaches at 18:25. How long is the journey (in minutes)?
38. 38.A film is 1 hour 35 minutes long. How many minutes is that?
39. 39.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 a.m.
40. 40.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 p.m. (c) 4:25 p.m.

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