Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 584 · 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 15 minutes long. How many minutes is that?
2. 2.A match starts at 09:05 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 11:20
3. 3.A match starts at 06:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 08:15 (b) 06:15 (c) 07:15
4. 4.Write 7:35 a.m. in 24-hour time. (a) 09:35 (b) 07:35 (c) 19:35
5. 5.What is 17:15 in 12-hour time? (a) 5:15 p.m. (b) 5:15 a.m. (c) 7:15 p.m.
6. 6.A train leaves at 16:25 and reaches at 19:40. How long is the journey (in minutes)?
7. 7.A match starts at 07:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:35 (b) 11:35 (c) 13:35
8. 8.How many hours are there from 12:00 to 16:00?
9. 9.Write 2:30 p.m. in 24-hour time. (a) 02:30 (b) 16:30 (c) 14:30
10. 10.What is 13:30 in 12-hour time? (a) 1:30 a.m. (b) 1:30 p.m. (c) 3:30 p.m.
11. 11.How many hours are there from 08:00 to 10:00?
12. 12.A train leaves at 10:15 and reaches at 12:25. How long is the journey (in minutes)?
13. 13.A film is 3 hours 55 minutes long. How many minutes is that?
14. 14.A train leaves at 13:20 and reaches at 14:25. How long is the journey (in minutes)?
15. 15.Write 3:15 p.m. in 24-hour time. (a) 17:15 (b) 03:15 (c) 15:15
16. 16.A film is 1 hour 5 minutes long. How many minutes is that?
17. 17.Write 9:55 a.m. in 24-hour time. (a) 21:55 (b) 09:55 (c) 11:55
18. 18.A train leaves at 15:30 and reaches at 16:50. How long is the journey (in minutes)?
19. 19.How many hours are there from 07:00 to 12:00?
20. 20.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 11:35 p.m. (c) 1:35 p.m.
21. 21.How many hours are there from 12:00 to 17:00?
22. 22.A train leaves at 07:15 and reaches at 09:25. How long is the journey (in minutes)?
23. 23.A train leaves at 15:35 and reaches at 16:45. How long is the journey (in minutes)?
24. 24.A film is 4 hours 15 minutes long. How many minutes is that?
25. 25.Write 5:55 p.m. in 24-hour time. (a) 05:55 (b) 17:55 (c) 19:55
26. 26.What is 11:20 in 12-hour time? (a) 11:20 a.m. (b) 11:20 p.m. (c) 1:20 a.m.
27. 27.Write 10:00 a.m. in 24-hour time. (a) 22:00 (b) 12:00 (c) 10:00
28. 28.A film is 1 hour 10 minutes long. How many minutes is that?
29. 29.What is 09:25 in 12-hour time? (a) 11:25 a.m. (b) 9:25 p.m. (c) 9:25 a.m.
30. 30.Write 9:00 a.m. in 24-hour time. (a) 21:00 (b) 09:00 (c) 11:00
31. 31.A match starts at 13:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:45 (b) 17:45 (c) 16:45
32. 32.A train leaves at 09:35 and reaches at 12:30. How long is the journey (in minutes)?
33. 33.A match starts at 09:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 10:05 (b) 11:05 (c) 12:05
34. 34.Write 6:45 a.m. in 24-hour time. (a) 18:45 (b) 08:45 (c) 06:45
35. 35.Write 11:20 p.m. in 24-hour time. (a) 11:20 (b) 23:20 (c) 01:20
36. 36.A train leaves at 07:35 and reaches at 09:00. How long is the journey (in minutes)?
37. 37.What is 23:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 p.m.
38. 38.Write 8:55 p.m. in 24-hour time. (a) 20:55 (b) 22:55 (c) 08:55
39. 39.A match starts at 06:20 and lasts 2 hours 25 minutes. At what time does it end? (a) 08:45 (b) 07:45 (c) 09:45
40. 40.What is 19:30 in 12-hour time? (a) 9:30 p.m. (b) 7:30 p.m. (c) 7:30 a.m.

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