Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 979 · 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 20:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 p.m.
2. 2.How many hours are there from 11:00 to 18:00?
3. 3.A film is 2 hours 50 minutes long. How many minutes is that?
4. 4.A film is 1 hour 10 minutes long. How many minutes is that?
5. 5.A match starts at 15:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 17:25 (b) 19:25 (c) 18:25
6. 6.What is 16:45 in 12-hour time? (a) 4:45 p.m. (b) 4:45 a.m. (c) 6:45 p.m.
7. 7.A train leaves at 15:10 and reaches at 18:10. How long is the journey (in minutes)?
8. 8.A match starts at 14:30 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:45 (b) 17:45 (c) 15:45
9. 9.How many hours are there from 07:00 to 12:00?
10. 10.A match starts at 06:35 and lasts 1 hour. At what time does it end? (a) 06:35 (b) 07:35 (c) 08:35
11. 11.A film is 2 hours 25 minutes long. How many minutes is that?
12. 12.What is 11:10 in 12-hour time? (a) 11:10 a.m. (b) 11:10 p.m. (c) 1:10 a.m.
13. 13.How many hours are there from 12:00 to 16:00?
14. 14.A train leaves at 19:15 and reaches at 19:50. How long is the journey (in minutes)?
15. 15.A film is 1 hour 5 minutes long. How many minutes is that?
16. 16.A film is 3 hours 20 minutes long. How many minutes is that?
17. 17.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
18. 18.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 1:00 a.m. (c) 3:00 a.m.
19. 19.What is 14:15 in 12-hour time? (a) 2:15 p.m. (b) 2:15 a.m. (c) 4:15 p.m.
20. 20.A train leaves at 08:00 and reaches at 10:30. How long is the journey (in minutes)?
21. 21.A match starts at 18:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 20:55 (b) 21:55 (c) 22:55
22. 22.A film is 4 hours 55 minutes long. How many minutes is that?
23. 23.What is 03:25 in 12-hour time? (a) 5:25 a.m. (b) 3:25 p.m. (c) 3:25 a.m.
24. 24.A film is 1 hour 25 minutes long. How many minutes is that?
25. 25.What is 03:10 in 12-hour time? (a) 3:10 a.m. (b) 3:10 p.m. (c) 5:10 a.m.
26. 26.Write 6:50 p.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 20:50
27. 27.A match starts at 18:00 and lasts 1 hour 20 minutes. At what time does it end? (a) 19:20 (b) 18:20 (c) 20:20
28. 28.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 4:10 a.m. (c) 2:10 p.m.
29. 29.How many hours are there from 06:00 to 12:00?
30. 30.A train leaves at 06:00 and reaches at 06:40. How long is the journey (in minutes)?
31. 31.Write 2:15 p.m. in 24-hour time. (a) 14:15 (b) 16:15 (c) 02:15
32. 32.What is 11:25 in 12-hour time? (a) 11:25 p.m. (b) 1:25 a.m. (c) 11:25 a.m.
33. 33.How many hours are there from 09:00 to 21:00?
34. 34.A match starts at 08:35 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:20 (b) 13:20 (c) 12:20
35. 35.Write 11:30 a.m. in 24-hour time. (a) 23:30 (b) 13:30 (c) 11:30
36. 36.How many hours are there from 09:00 to 22:00?
37. 37.A train leaves at 19:10 and reaches at 21:50. How long is the journey (in minutes)?
38. 38.Write 3:00 p.m. in 24-hour time. (a) 17:00 (b) 15:00 (c) 03:00
39. 39.Write 1:40 a.m. in 24-hour time. (a) 01:40 (b) 13:40 (c) 03:40
40. 40.A match starts at 15:00 and lasts 2 hours 30 minutes. At what time does it end? (a) 16:30 (b) 17:30 (c) 18:30

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