Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 383 · 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.How many hours are there from 11:00 to 22:00?
2. 2.What is 22:45 in 12-hour time? (a) 10:45 p.m. (b) 10:45 a.m. (c) 12:45 p.m.
3. 3.Write 10:20 a.m. in 24-hour time. (a) 12:20 (b) 22:20 (c) 10:20
4. 4.A train leaves at 06:05 and reaches at 07:00. How long is the journey (in minutes)?
5. 5.What is 22:00 in 12-hour time? (a) 10:00 a.m. (b) 10:00 p.m. (c) 12:00 p.m.
6. 6.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 08:00 (c) 06:00
7. 7.What is 19:35 in 12-hour time? (a) 7:35 a.m. (b) 7:35 p.m. (c) 9:35 p.m.
8. 8.Write 9:15 p.m. in 24-hour time. (a) 21:15 (b) 23:15 (c) 09:15
9. 9.What is 03:30 in 12-hour time? (a) 5:30 a.m. (b) 3:30 a.m. (c) 3:30 p.m.
10. 10.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 3:50 a.m. (c) 1:50 a.m.
11. 11.A match starts at 15:40 and lasts 2 hours 55 minutes. At what time does it end? (a) 18:35 (b) 19:35 (c) 17:35
12. 12.How many hours are there from 05:00 to 21:00?
13. 13.A film is 3 hours 30 minutes long. How many minutes is that?
14. 14.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 a.m. (c) 10:00 p.m.
15. 15.A train leaves at 12:10 and reaches at 13:55. How long is the journey (in minutes)?
16. 16.A match starts at 10:55 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:40 (b) 15:40 (c) 14:40
17. 17.Write 2:05 p.m. in 24-hour time. (a) 14:05 (b) 16:05 (c) 02:05
18. 18.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.
19. 19.A train leaves at 06:40 and reaches at 09:05. How long is the journey (in minutes)?
20. 20.Write 9:00 p.m. in 24-hour time. (a) 21:00 (b) 23:00 (c) 09:00
21. 21.A train leaves at 06:05 and reaches at 07:55. How long is the journey (in minutes)?
22. 22.A match starts at 11:05 and lasts 4 hours 45 minutes. At what time does it end? (a) 15:50 (b) 16:50 (c) 14:50
23. 23.What is 15:55 in 12-hour time? (a) 3:55 a.m. (b) 5:55 p.m. (c) 3:55 p.m.
24. 24.How many hours are there from 12:00 to 14:00?
25. 25.What is 05:05 in 12-hour time? (a) 5:05 a.m. (b) 7:05 a.m. (c) 5:05 p.m.
26. 26.A film is 4 hours 15 minutes long. How many minutes is that?
27. 27.A train leaves at 13:05 and reaches at 16:10. How long is the journey (in minutes)?
28. 28.A train leaves at 14:50 and reaches at 15:40. How long is the journey (in minutes)?
29. 29.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
30. 30.What is 02:15 in 12-hour time? (a) 4:15 a.m. (b) 2:15 p.m. (c) 2:15 a.m.
31. 31.How many hours are there from 11:00 to 21:00?
32. 32.A match starts at 13:40 and lasts 1 hour. At what time does it end? (a) 14:40 (b) 13:40 (c) 15:40
33. 33.What is 11:35 in 12-hour time? (a) 11:35 p.m. (b) 1:35 a.m. (c) 11:35 a.m.
34. 34.A match starts at 07:00 and lasts 4 hours 20 minutes. At what time does it end? (a) 12:20 (b) 10:20 (c) 11:20
35. 35.What is 20:30 in 12-hour time? (a) 10:30 p.m. (b) 8:30 p.m. (c) 8:30 a.m.
36. 36.A film is 1 hour 30 minutes long. How many minutes is that?
37. 37.A film is 2 hours 20 minutes long. How many minutes is that?
38. 38.What is 06:00 in 12-hour time? (a) 8:00 a.m. (b) 6:00 a.m. (c) 6:00 p.m.
39. 39.A train leaves at 14:55 and reaches at 16:50. How long is the journey (in minutes)?
40. 40.Write 10:45 p.m. in 24-hour time. (a) 22:45 (b) 00:45 (c) 10:45

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