Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 305 · 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 19:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 p.m. (c) 7:10 a.m.
2. 2.How many hours are there from 07:00 to 09:00?
3. 3.A film is 4 hours 35 minutes long. How many minutes is that?
4. 4.A match starts at 07:30 and lasts 4 hours 5 minutes. At what time does it end? (a) 10:35 (b) 12:35 (c) 11:35
5. 5.A match starts at 06:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 08:25 (b) 09:25 (c) 07:25
6. 6.A train leaves at 12:25 and reaches at 15:20. How long is the journey (in minutes)?
7. 7.A train leaves at 15:15 and reaches at 16:20. How long is the journey (in minutes)?
8. 8.Write 11:55 a.m. in 24-hour time. (a) 13:55 (b) 23:55 (c) 11:55
9. 9.A match starts at 11:45 and lasts 1 hour 55 minutes. At what time does it end? (a) 12:40 (b) 14:40 (c) 13:40
10. 10.A film is 2 hours 20 minutes long. How many minutes is that?
11. 11.A match starts at 09:10 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
12. 12.What is 01:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 a.m.
13. 13.A match starts at 11:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 17:05
14. 14.A match starts at 14:30 and lasts 3 hours 55 minutes. At what time does it end? (a) 19:25 (b) 18:25 (c) 17:25
15. 15.How many hours are there from 12:00 to 21:00?
16. 16.What is 04:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 a.m. (c) 4:25 p.m.
17. 17.A train leaves at 12:20 and reaches at 13:40. How long is the journey (in minutes)?
18. 18.A match starts at 11:10 and lasts 2 hours 25 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 14:35
19. 19.A match starts at 10:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:35 (b) 13:35 (c) 12:35
20. 20.A film is 4 hours 5 minutes long. How many minutes is that?
21. 21.How many hours are there from 11:00 to 16:00?
22. 22.Write 4:10 p.m. in 24-hour time. (a) 16:10 (b) 18:10 (c) 04:10
23. 23.A match starts at 12:50 and lasts 1 hour 15 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
24. 24.What is 14:35 in 12-hour time? (a) 2:35 a.m. (b) 2:35 p.m. (c) 4:35 p.m.
25. 25.A train leaves at 10:05 and reaches at 11:50. How long is the journey (in minutes)?
26. 26.How many hours are there from 06:00 to 11:00?
27. 27.A match starts at 15:40 and lasts 4 hours 40 minutes. At what time does it end? (a) 20:20 (b) 21:20 (c) 19:20
28. 28.A film is 2 hours 10 minutes long. How many minutes is that?
29. 29.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 22:15 (c) 20:15
30. 30.What is 02:05 in 12-hour time? (a) 2:05 a.m. (b) 4:05 a.m. (c) 2:05 p.m.
31. 31.How many hours are there from 11:00 to 19:00?
32. 32.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 06:50
33. 33.Write 10:00 p.m. in 24-hour time. (a) 22:00 (b) 00:00 (c) 10:00
34. 34.How many hours are there from 05:00 to 09:00?
35. 35.How many hours are there from 11:00 to 20:00?
36. 36.How many hours are there from 07:00 to 20:00?
37. 37.A train leaves at 11:15 and reaches at 11:55. How long is the journey (in minutes)?
38. 38.A train leaves at 15:35 and reaches at 16:20. How long is the journey (in minutes)?
39. 39.A match starts at 06:50 and lasts 1 hour 20 minutes. At what time does it end? (a) 07:10 (b) 08:10 (c) 09:10
40. 40.What is 14:55 in 12-hour time? (a) 2:55 a.m. (b) 4:55 p.m. (c) 2:55 p.m.

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