Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 579 · 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.What is 03:50 in 12-hour time? (a) 5:50 a.m. (b) 3:50 a.m. (c) 3:50 p.m.
2. 2.A match starts at 16:45 and lasts 1 hour 25 minutes. At what time does it end? (a) 19:10 (b) 18:10 (c) 17:10
3. 3.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 03:20 (c) 01:20
4. 4.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 a.m. (c) 9:50 p.m.
5. 5.What is 23:30 in 12-hour time? (a) 11:30 p.m. (b) 1:30 p.m. (c) 11:30 a.m.
6. 6.What is 07:00 in 12-hour time? (a) 9:00 a.m. (b) 7:00 p.m. (c) 7:00 a.m.
7. 7.How many hours are there from 06:00 to 21:00?
8. 8.What is 05:30 in 12-hour time? (a) 7:30 a.m. (b) 5:30 a.m. (c) 5:30 p.m.
9. 9.A match starts at 07:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 10:40 (b) 11:40 (c) 09:40
10. 10.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 a.m.
11. 11.A match starts at 13:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 16:35
12. 12.A film is 1 hour 45 minutes long. How many minutes is that?
13. 13.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 01:35 (c) 13:35
14. 14.Write 3:35 a.m. in 24-hour time. (a) 15:35 (b) 03:35 (c) 05:35
15. 15.What is 18:45 in 12-hour time? (a) 6:45 p.m. (b) 6:45 a.m. (c) 8:45 p.m.
16. 16.A train leaves at 13:10 and reaches at 13:45. How long is the journey (in minutes)?
17. 17.A train leaves at 12:50 and reaches at 16:10. How long is the journey (in minutes)?
18. 18.A match starts at 14:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 18:35 (b) 17:35 (c) 16:35
19. 19.Write 9:00 p.m. in 24-hour time. (a) 09:00 (b) 23:00 (c) 21:00
20. 20.A train leaves at 19:50 and reaches at 21:15. How long is the journey (in minutes)?
21. 21.A film is 2 hours 20 minutes long. How many minutes is that?
22. 22.What is 23:25 in 12-hour time? (a) 11:25 a.m. (b) 11:25 p.m. (c) 1:25 p.m.
23. 23.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 p.m. (c) 7:30 a.m.
24. 24.A film is 2 hours 10 minutes long. How many minutes is that?
25. 25.A film is 4 hours 5 minutes long. How many minutes is that?
26. 26.A match starts at 10:00 and lasts 4 hours. At what time does it end? (a) 14:00 (b) 13:00 (c) 15:00
27. 27.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 p.m. (c) 1:10 a.m.
28. 28.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
29. 29.Write 1:45 a.m. in 24-hour time. (a) 03:45 (b) 13:45 (c) 01:45
30. 30.A train leaves at 16:25 and reaches at 17:50. How long is the journey (in minutes)?
31. 31.A train leaves at 10:15 and reaches at 11:05. How long is the journey (in minutes)?
32. 32.A train leaves at 06:55 and reaches at 07:45. How long is the journey (in minutes)?
33. 33.What is 22:50 in 12-hour time? (a) 10:50 a.m. (b) 12:50 p.m. (c) 10:50 p.m.
34. 34.How many hours are there from 08:00 to 23:00?
35. 35.Write 10:05 a.m. in 24-hour time. (a) 12:05 (b) 10:05 (c) 22:05
36. 36.A film is 2 hours 45 minutes long. How many minutes is that?
37. 37.How many hours are there from 08:00 to 17:00?
38. 38.How many hours are there from 10:00 to 21:00?
39. 39.How many hours are there from 10:00 to 17:00?
40. 40.A match starts at 08:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 11:05 (b) 10:05 (c) 12:05

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