Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 242 · 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 07:00 to 09:00?
2. 2.How many hours are there from 05:00 to 23:00?
3. 3.Write 6:45 a.m. in 24-hour time. (a) 06:45 (b) 08:45 (c) 18:45
4. 4.A match starts at 06:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 07:25 (b) 06:25 (c) 08:25
5. 5.What is 05:15 in 12-hour time? (a) 5:15 p.m. (b) 5:15 a.m. (c) 7:15 a.m.
6. 6.What is 07:25 in 12-hour time? (a) 9:25 a.m. (b) 7:25 a.m. (c) 7:25 p.m.
7. 7.What is 14:50 in 12-hour time? (a) 4:50 p.m. (b) 2:50 a.m. (c) 2:50 p.m.
8. 8.How many hours are there from 07:00 to 13:00?
9. 9.A train leaves at 18:55 and reaches at 19:30. How long is the journey (in minutes)?
10. 10.Write 9:50 p.m. in 24-hour time. (a) 09:50 (b) 21:50 (c) 23:50
11. 11.A match starts at 12:40 and lasts 1 hour 20 minutes. At what time does it end? (a) 15:00 (b) 14:00 (c) 13:00
12. 12.A film is 4 hours 30 minutes long. How many minutes is that?
13. 13.A train leaves at 08:05 and reaches at 10:50. How long is the journey (in minutes)?
14. 14.A match starts at 08:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 13:15
15. 15.Write 7:00 a.m. in 24-hour time. (a) 09:00 (b) 19:00 (c) 07:00
16. 16.A train leaves at 13:10 and reaches at 16:00. How long is the journey (in minutes)?
17. 17.How many hours are there from 11:00 to 20:00?
18. 18.A match starts at 12:55 and lasts 3 hours. At what time does it end? (a) 16:55 (b) 15:55 (c) 14:55
19. 19.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 05:45 (c) 15:45
20. 20.A match starts at 13:15 and lasts 3 hours 20 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 17:35
21. 21.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 17:35 (c) 03:35
22. 22.A film is 4 hours 15 minutes long. How many minutes is that?
23. 23.A film is 3 hours 20 minutes long. How many minutes is that?
24. 24.A train leaves at 06:55 and reaches at 08:55. How long is the journey (in minutes)?
25. 25.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 p.m. (c) 11:00 a.m.
26. 26.A train leaves at 19:40 and reaches at 23:00. How long is the journey (in minutes)?
27. 27.A match starts at 06:50 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:05 (b) 07:05 (c) 08:05
28. 28.How many hours are there from 09:00 to 19:00?
29. 29.How many hours are there from 09:00 to 13:00?
30. 30.Write 6:50 p.m. in 24-hour time. (a) 20:50 (b) 06:50 (c) 18:50
31. 31.Write 2:30 a.m. in 24-hour time. (a) 02:30 (b) 14:30 (c) 04:30
32. 32.A train leaves at 19:35 and reaches at 21:00. How long is the journey (in minutes)?
33. 33.How many hours are there from 09:00 to 11:00?
34. 34.A film is 3 hours 10 minutes long. How many minutes is that?
35. 35.A film is 3 hours 35 minutes long. How many minutes is that?
36. 36.A film is 2 hours 5 minutes long. How many minutes is that?
37. 37.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 a.m.
38. 38.Write 4:00 a.m. in 24-hour time. (a) 06:00 (b) 04:00 (c) 16:00
39. 39.A train leaves at 16:45 and reaches at 18:00. How long is the journey (in minutes)?
40. 40.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 1:50 a.m. (c) 11:50 a.m.

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