Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 664 · 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 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 a.m. (c) 11:45 p.m.
2. 2.What is 11:35 in 12-hour time? (a) 11:35 p.m. (b) 1:35 a.m. (c) 11:35 a.m.
3. 3.A match starts at 15:40 and lasts 4 hours 25 minutes. At what time does it end? (a) 21:05 (b) 19:05 (c) 20:05
4. 4.How many hours are there from 06:00 to 20:00?
5. 5.How many hours are there from 05:00 to 22:00?
6. 6.How many hours are there from 07:00 to 10:00?
7. 7.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 02:15 (c) 14:15
8. 8.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
9. 9.What is 22:35 in 12-hour time? (a) 12:35 p.m. (b) 10:35 a.m. (c) 10:35 p.m.
10. 10.A film is 1 hour 25 minutes long. How many minutes is that?
11. 11.A train leaves at 10:25 and reaches at 12:45. How long is the journey (in minutes)?
12. 12.What is 06:55 in 12-hour time? (a) 8:55 a.m. (b) 6:55 a.m. (c) 6:55 p.m.
13. 13.How many hours are there from 05:00 to 11:00?
14. 14.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 16:40 (c) 04:40
15. 15.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 a.m. (c) 4:05 p.m.
16. 16.Write 8:10 p.m. in 24-hour time. (a) 20:10 (b) 08:10 (c) 22:10
17. 17.A match starts at 15:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 19:35 (b) 17:35 (c) 18:35
18. 18.Write 3:20 a.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 05:20
19. 19.A film is 1 hour 10 minutes long. How many minutes is that?
20. 20.How many hours are there from 06:00 to 17:00?
21. 21.How many hours are there from 06:00 to 19:00?
22. 22.A match starts at 10:35 and lasts 2 hours 35 minutes. At what time does it end? (a) 13:10 (b) 14:10 (c) 12:10
23. 23.A train leaves at 09:30 and reaches at 11:45. How long is the journey (in minutes)?
24. 24.What is 03:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 a.m. (c) 3:00 a.m.
25. 25.What is 19:15 in 12-hour time? (a) 7:15 a.m. (b) 7:15 p.m. (c) 9:15 p.m.
26. 26.What is 15:25 in 12-hour time? (a) 3:25 p.m. (b) 5:25 p.m. (c) 3:25 a.m.
27. 27.A match starts at 09:15 and lasts 4 hours 40 minutes. At what time does it end? (a) 14:55 (b) 12:55 (c) 13:55
28. 28.A match starts at 12:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
29. 29.A train leaves at 19:10 and reaches at 21:45. How long is the journey (in minutes)?
30. 30.Write 1:50 p.m. in 24-hour time. (a) 15:50 (b) 01:50 (c) 13:50
31. 31.A train leaves at 19:05 and reaches at 22:20. How long is the journey (in minutes)?
32. 32.A train leaves at 13:45 and reaches at 14:15. How long is the journey (in minutes)?
33. 33.A match starts at 12:15 and lasts 1 hour 20 minutes. At what time does it end? (a) 13:35 (b) 12:35 (c) 14:35
34. 34.A train leaves at 19:15 and reaches at 22:15. How long is the journey (in minutes)?
35. 35.Write 2:15 a.m. in 24-hour time. (a) 04:15 (b) 02:15 (c) 14:15
36. 36.A film is 1 hour 40 minutes long. How many minutes is that?
37. 37.What is 08:05 in 12-hour time? (a) 8:05 a.m. (b) 10:05 a.m. (c) 8:05 p.m.
38. 38.A match starts at 18:40 and lasts 1 hour 45 minutes. At what time does it end? (a) 21:25 (b) 19:25 (c) 20:25
39. 39.A match starts at 11:00 and lasts 1 hour. At what time does it end? (a) 13:00 (b) 11:00 (c) 12:00
40. 40.How many hours are there from 11:00 to 19:00?

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