Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 851 · 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 10:00 to 16:00?
2. 2.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 a.m. (c) 1:35 p.m.
3. 3.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 09:00
4. 4.Write 5:05 a.m. in 24-hour time. (a) 05:05 (b) 07:05 (c) 17:05
5. 5.A film is 2 hours 10 minutes long. How many minutes is that?
6. 6.A train leaves at 07:15 and reaches at 10:05. How long is the journey (in minutes)?
7. 7.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
8. 8.A film is 1 hour 5 minutes long. How many minutes is that?
9. 9.What is 18:35 in 12-hour time? (a) 6:35 p.m. (b) 8:35 p.m. (c) 6:35 a.m.
10. 10.Write 3:20 p.m. in 24-hour time. (a) 03:20 (b) 15:20 (c) 17:20
11. 11.A film is 1 hour 30 minutes long. How many minutes is that?
12. 12.Write 4:15 a.m. in 24-hour time. (a) 06:15 (b) 16:15 (c) 04:15
13. 13.A train leaves at 19:35 and reaches at 20:45. How long is the journey (in minutes)?
14. 14.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.
15. 15.How many hours are there from 10:00 to 12:00?
16. 16.A train leaves at 08:15 and reaches at 09:05. How long is the journey (in minutes)?
17. 17.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 03:05 (c) 05:05
18. 18.How many hours are there from 12:00 to 18:00?
19. 19.A train leaves at 08:40 and reaches at 10:55. How long is the journey (in minutes)?
20. 20.How many hours are there from 09:00 to 19:00?
21. 21.How many hours are there from 08:00 to 14:00?
22. 22.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 22:15 (c) 10:15
23. 23.What is 11:45 in 12-hour time? (a) 11:45 a.m. (b) 1:45 a.m. (c) 11:45 p.m.
24. 24.A film is 2 hours 25 minutes long. How many minutes is that?
25. 25.What is 15:00 in 12-hour time? (a) 3:00 p.m. (b) 3:00 a.m. (c) 5:00 p.m.
26. 26.A train leaves at 08:25 and reaches at 10:35. How long is the journey (in minutes)?
27. 27.A train leaves at 06:10 and reaches at 06:55. How long is the journey (in minutes)?
28. 28.A match starts at 09:40 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:25 (b) 13:25 (c) 15:25
29. 29.A match starts at 10:15 and lasts 2 hours 30 minutes. At what time does it end? (a) 13:45 (b) 11:45 (c) 12:45
30. 30.A train leaves at 12:55 and reaches at 15:40. How long is the journey (in minutes)?
31. 31.How many hours are there from 05:00 to 10:00?
32. 32.A train leaves at 12:05 and reaches at 13:30. How long is the journey (in minutes)?
33. 33.A match starts at 09:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 11:00 (b) 13:00 (c) 12:00
34. 34.A match starts at 06:00 and lasts 3 hours 25 minutes. At what time does it end? (a) 10:25 (b) 09:25 (c) 08:25
35. 35.A match starts at 18:45 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:30 (b) 00:30 (c) 23:30
36. 36.A match starts at 18:10 and lasts 4 hours 25 minutes. At what time does it end? (a) 23:35 (b) 22:35 (c) 21:35
37. 37.A train leaves at 09:40 and reaches at 11:50. How long is the journey (in minutes)?
38. 38.How many hours are there from 08:00 to 10:00?
39. 39.What is 07:10 in 12-hour time? (a) 9:10 a.m. (b) 7:10 p.m. (c) 7:10 a.m.
40. 40.A train leaves at 13:10 and reaches at 14:00. How long is the journey (in minutes)?

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