Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 621 · 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 09:00 to 20:00?
2. 2.A train leaves at 09:05 and reaches at 11:45. How long is the journey (in minutes)?
3. 3.Write 7:10 a.m. in 24-hour time. (a) 09:10 (b) 07:10 (c) 19:10
4. 4.A match starts at 16:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 20:05 (b) 19:05 (c) 18:05
5. 5.Write 7:15 p.m. in 24-hour time. (a) 21:15 (b) 07:15 (c) 19:15
6. 6.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 p.m.
7. 7.A film is 3 hours 35 minutes long. How many minutes is that?
8. 8.What is 03:30 in 12-hour time? (a) 5:30 a.m. (b) 3:30 p.m. (c) 3:30 a.m.
9. 9.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 a.m.
10. 10.A train leaves at 13:00 and reaches at 13:40. How long is the journey (in minutes)?
11. 11.A film is 4 hours 50 minutes long. How many minutes is that?
12. 12.A film is 1 hour 20 minutes long. How many minutes is that?
13. 13.How many hours are there from 06:00 to 11:00?
14. 14.A match starts at 15:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 15:15 (b) 16:15 (c) 17:15
15. 15.Write 4:45 a.m. in 24-hour time. (a) 16:45 (b) 06:45 (c) 04:45
16. 16.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 14:05 (c) 02:05
17. 17.Write 11:35 p.m. in 24-hour time. (a) 11:35 (b) 01:35 (c) 23:35
18. 18.A match starts at 10:15 and lasts 4 hours 55 minutes. At what time does it end? (a) 15:10 (b) 16:10 (c) 14:10
19. 19.A match starts at 10:30 and lasts 2 hours 45 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 12:15
20. 20.How many hours are there from 08:00 to 12:00?
21. 21.What is 23:45 in 12-hour time? (a) 11:45 p.m. (b) 11:45 a.m. (c) 1:45 p.m.
22. 22.A film is 2 hours 35 minutes long. How many minutes is that?
23. 23.A match starts at 10:25 and lasts 2 hours 40 minutes. At what time does it end? (a) 14:05 (b) 12:05 (c) 13:05
24. 24.How many hours are there from 09:00 to 17:00?
25. 25.A match starts at 09:55 and lasts 4 hours 45 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 13:40
26. 26.How many hours are there from 06:00 to 09:00?
27. 27.How many hours are there from 08:00 to 13:00?
28. 28.A film is 2 hours 45 minutes long. How many minutes is that?
29. 29.How many hours are there from 05:00 to 21:00?
30. 30.A match starts at 15:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
31. 31.A train leaves at 06:00 and reaches at 08:05. How long is the journey (in minutes)?
32. 32.A film is 1 hour 25 minutes long. How many minutes is that?
33. 33.What is 13:25 in 12-hour time? (a) 1:25 a.m. (b) 1:25 p.m. (c) 3:25 p.m.
34. 34.How many hours are there from 08:00 to 10:00?
35. 35.A film is 3 hours 50 minutes long. How many minutes is that?
36. 36.What is 15:00 in 12-hour time? (a) 3:00 p.m. (b) 5:00 p.m. (c) 3:00 a.m.
37. 37.Write 10:50 p.m. in 24-hour time. (a) 10:50 (b) 00:50 (c) 22:50
38. 38.A train leaves at 14:50 and reaches at 18:00. How long is the journey (in minutes)?
39. 39.Write 2:20 a.m. in 24-hour time. (a) 04:20 (b) 02:20 (c) 14:20
40. 40.How many hours are there from 05:00 to 14:00?

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