Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 918 · 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 18:50 and reaches at 21:05. How long is the journey (in minutes)?
2. 2.How many hours are there from 08:00 to 14:00?
3. 3.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 3:00 p.m. (c) 5:00 p.m.
4. 4.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 a.m. (c) 6:20 p.m.
5. 5.What is 10:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 a.m. (c) 10:15 a.m.
6. 6.A train leaves at 09:00 and reaches at 09:30. How long is the journey (in minutes)?
7. 7.Write 5:40 p.m. in 24-hour time. (a) 05:40 (b) 17:40 (c) 19:40
8. 8.What is 08:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 a.m.
9. 9.A film is 1 hour 35 minutes long. How many minutes is that?
10. 10.What is 10:40 in 12-hour time? (a) 10:40 p.m. (b) 12:40 a.m. (c) 10:40 a.m.
11. 11.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 13:35 (c) 01:35
12. 12.A train leaves at 11:30 and reaches at 14:00. How long is the journey (in minutes)?
13. 13.Write 5:05 a.m. in 24-hour time. (a) 07:05 (b) 05:05 (c) 17:05
14. 14.How many hours are there from 08:00 to 15:00?
15. 15.A train leaves at 06:35 and reaches at 08:30. How long is the journey (in minutes)?
16. 16.A train leaves at 09:30 and reaches at 10:10. How long is the journey (in minutes)?
17. 17.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 20:30
18. 18.A film is 2 hours 50 minutes long. How many minutes is that?
19. 19.A film is 3 hours 40 minutes long. How many minutes is that?
20. 20.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 10:20 p.m. (c) 12:20 p.m.
21. 21.A match starts at 16:05 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:15 (b) 17:15 (c) 16:15
22. 22.A train leaves at 10:30 and reaches at 11:50. How long is the journey (in minutes)?
23. 23.A film is 2 hours 20 minutes long. How many minutes is that?
24. 24.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 a.m.
25. 25.A train leaves at 06:25 and reaches at 07:50. How long is the journey (in minutes)?
26. 26.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 p.m.
27. 27.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 p.m. (c) 3:10 a.m.
28. 28.A train leaves at 13:55 and reaches at 16:00. How long is the journey (in minutes)?
29. 29.A film is 1 hour 50 minutes long. How many minutes is that?
30. 30.Write 2:50 p.m. in 24-hour time. (a) 16:50 (b) 14:50 (c) 02:50
31. 31.What is 15:30 in 12-hour time? (a) 5:30 p.m. (b) 3:30 a.m. (c) 3:30 p.m.
32. 32.What is 02:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 a.m. (c) 2:05 p.m.
33. 33.How many hours are there from 09:00 to 12:00?
34. 34.What is 07:25 in 12-hour time? (a) 7:25 p.m. (b) 9:25 a.m. (c) 7:25 a.m.
35. 35.What is 03:20 in 12-hour time? (a) 3:20 a.m. (b) 5:20 a.m. (c) 3:20 p.m.
36. 36.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 6:00 p.m. (c) 4:00 p.m.
37. 37.A match starts at 16:20 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 16:30
38. 38.A train leaves at 09:15 and reaches at 12:25. How long is the journey (in minutes)?
39. 39.A film is 1 hour 20 minutes long. How many minutes is that?
40. 40.A match starts at 08:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:25 (b) 10:25 (c) 11:25

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