Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 325 · 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 19:45 in 12-hour time? (a) 9:45 p.m. (b) 7:45 a.m. (c) 7:45 p.m.
2. 2.A train leaves at 08:15 and reaches at 10:10. How long is the journey (in minutes)?
3. 3.A train leaves at 14:30 and reaches at 15:45. How long is the journey (in minutes)?
4. 4.A film is 3 hours 55 minutes long. How many minutes is that?
5. 5.How many hours are there from 08:00 to 11:00?
6. 6.A match starts at 09:15 and lasts 4 hours 35 minutes. At what time does it end? (a) 13:50 (b) 12:50 (c) 14:50
7. 7.Write 1:05 a.m. in 24-hour time. (a) 01:05 (b) 03:05 (c) 13:05
8. 8.Write 4:00 a.m. in 24-hour time. (a) 06:00 (b) 16:00 (c) 04:00
9. 9.Write 6:40 a.m. in 24-hour time. (a) 08:40 (b) 06:40 (c) 18:40
10. 10.How many hours are there from 09:00 to 11:00?
11. 11.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
12. 12.How many hours are there from 06:00 to 20:00?
13. 13.A match starts at 16:30 and lasts 3 hours. At what time does it end? (a) 19:30 (b) 18:30 (c) 20:30
14. 14.A train leaves at 09:45 and reaches at 11:40. How long is the journey (in minutes)?
15. 15.A train leaves at 09:40 and reaches at 11:55. How long is the journey (in minutes)?
16. 16.How many hours are there from 06:00 to 11:00?
17. 17.How many hours are there from 10:00 to 19:00?
18. 18.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 03:10 (c) 15:10
19. 19.What is 23:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 p.m. (c) 11:10 a.m.
20. 20.How many hours are there from 08:00 to 13:00?
21. 21.What is 13:40 in 12-hour time? (a) 3:40 p.m. (b) 1:40 a.m. (c) 1:40 p.m.
22. 22.What is 04:55 in 12-hour time? (a) 4:55 p.m. (b) 6:55 a.m. (c) 4:55 a.m.
23. 23.Write 8:05 a.m. in 24-hour time. (a) 08:05 (b) 20:05 (c) 10:05
24. 24.A match starts at 12:20 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:30 (b) 12:30 (c) 14:30
25. 25.What is 15:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 p.m. (c) 3:10 p.m.
26. 26.A match starts at 11:55 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:15 (b) 17:15 (c) 16:15
27. 27.Write 5:00 p.m. in 24-hour time. (a) 05:00 (b) 17:00 (c) 19:00
28. 28.A film is 1 hour 10 minutes long. How many minutes is that?
29. 29.Write 8:40 p.m. in 24-hour time. (a) 20:40 (b) 22:40 (c) 08:40
30. 30.A match starts at 16:10 and lasts 1 hour 15 minutes. At what time does it end? (a) 16:25 (b) 18:25 (c) 17:25
31. 31.A match starts at 09:25 and lasts 4 hours 5 minutes. At what time does it end? (a) 14:30 (b) 12:30 (c) 13:30
32. 32.What is 17:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 p.m. (c) 5:10 p.m.
33. 33.Write 8:10 a.m. in 24-hour time. (a) 20:10 (b) 10:10 (c) 08:10
34. 34.Write 5:10 p.m. in 24-hour time. (a) 17:10 (b) 05:10 (c) 19:10
35. 35.A train leaves at 06:35 and reaches at 07:25. How long is the journey (in minutes)?
36. 36.A match starts at 15:10 and lasts 2 hours 15 minutes. At what time does it end? (a) 18:25 (b) 16:25 (c) 17:25
37. 37.A train leaves at 19:50 and reaches at 20:25. How long is the journey (in minutes)?
38. 38.How many hours are there from 08:00 to 22:00?
39. 39.A film is 4 hours 25 minutes long. How many minutes is that?
40. 40.A train leaves at 12:35 and reaches at 15:20. How long is the journey (in minutes)?

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