Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 754 · 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 train leaves at 12:45 and reaches at 13:20. How long is the journey (in minutes)?
2. 2.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 03:50 (c) 15:50
3. 3.Write 2:25 p.m. in 24-hour time. (a) 14:25 (b) 02:25 (c) 16:25
4. 4.Write 5:40 p.m. in 24-hour time. (a) 19:40 (b) 05:40 (c) 17:40
5. 5.A train leaves at 19:25 and reaches at 22:25. How long is the journey (in minutes)?
6. 6.A film is 1 hour 40 minutes long. How many minutes is that?
7. 7.What is 19:00 in 12-hour time? (a) 7:00 p.m. (b) 7:00 a.m. (c) 9:00 p.m.
8. 8.A train leaves at 18:30 and reaches at 19:05. How long is the journey (in minutes)?
9. 9.How many hours are there from 05:00 to 09:00?
10. 10.A film is 1 hour 10 minutes long. How many minutes is that?
11. 11.A match starts at 18:25 and lasts 4 hours 55 minutes. At what time does it end? (a) 22:20 (b) 23:20 (c) 00:20
12. 12.A train leaves at 07:05 and reaches at 09:55. How long is the journey (in minutes)?
13. 13.A match starts at 08:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 09:35
14. 14.A film is 4 hours 40 minutes long. How many minutes is that?
15. 15.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 21:30 (c) 19:30
16. 16.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 13:15 (c) 01:15
17. 17.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
18. 18.A film is 3 hours 50 minutes long. How many minutes is that?
19. 19.What is 07:55 in 12-hour time? (a) 9:55 a.m. (b) 7:55 a.m. (c) 7:55 p.m.
20. 20.How many hours are there from 11:00 to 15:00?
21. 21.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 04:55 (c) 16:55
22. 22.A film is 4 hours 45 minutes long. How many minutes is that?
23. 23.How many hours are there from 05:00 to 21:00?
24. 24.A match starts at 09:15 and lasts 4 hours. At what time does it end? (a) 14:15 (b) 12:15 (c) 13:15
25. 25.A film is 4 hours 20 minutes long. How many minutes is that?
26. 26.A train leaves at 19:35 and reaches at 20:50. How long is the journey (in minutes)?
27. 27.How many hours are there from 10:00 to 22:00?
28. 28.A train leaves at 10:45 and reaches at 11:20. How long is the journey (in minutes)?
29. 29.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 a.m. (c) 6:05 p.m.
30. 30.How many hours are there from 06:00 to 21:00?
31. 31.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 10:40 a.m. (c) 12:40 a.m.
32. 32.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 a.m. (c) 11:20 p.m.
33. 33.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 p.m.
34. 34.A film is 1 hour 15 minutes long. How many minutes is that?
35. 35.A train leaves at 09:35 and reaches at 10:40. How long is the journey (in minutes)?
36. 36.A film is 4 hours 30 minutes long. How many minutes is that?
37. 37.A film is 2 hours 35 minutes long. How many minutes is that?
38. 38.A match starts at 15:25 and lasts 3 hours 25 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
39. 39.What is 15:35 in 12-hour time? (a) 3:35 p.m. (b) 3:35 a.m. (c) 5:35 p.m.
40. 40.A match starts at 15:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 17:25 (b) 19:25 (c) 18:25

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