Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 892 · 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 13:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 p.m.
2. 2.A train leaves at 09:45 and reaches at 12:30. How long is the journey (in minutes)?
3. 3.How many hours are there from 05:00 to 19:00?
4. 4.A film is 3 hours 25 minutes long. How many minutes is that?
5. 5.A film is 4 hours 10 minutes long. How many minutes is that?
6. 6.A match starts at 15:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 19:05 (b) 21:05 (c) 20:05
7. 7.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 a.m. (c) 6:30 p.m.
8. 8.A train leaves at 15:55 and reaches at 16:30. How long is the journey (in minutes)?
9. 9.A film is 2 hours 45 minutes long. How many minutes is that?
10. 10.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 15:10 (c) 03:10
11. 11.What is 02:30 in 12-hour time? (a) 2:30 a.m. (b) 4:30 a.m. (c) 2:30 p.m.
12. 12.How many hours are there from 05:00 to 09:00?
13. 13.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 23:55 (c) 21:55
14. 14.A match starts at 07:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 07:50 (b) 09:50 (c) 08:50
15. 15.How many hours are there from 08:00 to 14:00?
16. 16.How many hours are there from 10:00 to 18:00?
17. 17.How many hours are there from 07:00 to 21:00?
18. 18.A train leaves at 09:15 and reaches at 10:50. How long is the journey (in minutes)?
19. 19.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50
20. 20.How many hours are there from 08:00 to 21:00?
21. 21.A match starts at 18:25 and lasts 2 hours 25 minutes. At what time does it end? (a) 19:50 (b) 21:50 (c) 20:50
22. 22.A train leaves at 14:50 and reaches at 15:25. How long is the journey (in minutes)?
23. 23.Write 9:45 a.m. in 24-hour time. (a) 11:45 (b) 21:45 (c) 09:45
24. 24.A match starts at 08:25 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:10 (b) 11:10 (c) 12:10
25. 25.A match starts at 15:25 and lasts 2 hours 55 minutes. At what time does it end? (a) 17:20 (b) 19:20 (c) 18:20
26. 26.How many hours are there from 06:00 to 19:00?
27. 27.Write 4:20 a.m. in 24-hour time. (a) 06:20 (b) 16:20 (c) 04:20
28. 28.A train leaves at 14:55 and reaches at 16:30. How long is the journey (in minutes)?
29. 29.A train leaves at 06:15 and reaches at 07:00. How long is the journey (in minutes)?
30. 30.A match starts at 16:25 and lasts 1 hour 20 minutes. At what time does it end? (a) 16:45 (b) 18:45 (c) 17:45
31. 31.What is 03:35 in 12-hour time? (a) 5:35 a.m. (b) 3:35 p.m. (c) 3:35 a.m.
32. 32.A train leaves at 13:00 and reaches at 15:15. How long is the journey (in minutes)?
33. 33.How many hours are there from 07:00 to 18:00?
34. 34.A match starts at 17:30 and lasts 4 hours 10 minutes. At what time does it end? (a) 20:40 (b) 22:40 (c) 21:40
35. 35.A match starts at 09:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 14:30 (b) 12:30 (c) 13:30
36. 36.A film is 1 hour 5 minutes long. How many minutes is that?
37. 37.A match starts at 11:55 and lasts 2 hours 55 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 15:50
38. 38.How many hours are there from 12:00 to 16:00?
39. 39.What is 23:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 p.m. (c) 11:40 a.m.
40. 40.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 a.m. (c) 5:00 p.m.

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