Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 260 · 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.A match starts at 07:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 08:50 (b) 07:50 (c) 09:50
2. 2.How many hours are there from 08:00 to 21:00?
3. 3.How many hours are there from 05:00 to 17:00?
4. 4.A match starts at 12:05 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:00 (b) 16:00 (c) 14:00
5. 5.What is 13:15 in 12-hour time? (a) 1:15 a.m. (b) 3:15 p.m. (c) 1:15 p.m.
6. 6.A film is 3 hours 20 minutes long. How many minutes is that?
7. 7.A match starts at 08:15 and lasts 1 hour. At what time does it end? (a) 10:15 (b) 09:15 (c) 08:15
8. 8.A film is 4 hours 35 minutes long. How many minutes is that?
9. 9.How many hours are there from 06:00 to 17:00?
10. 10.A train leaves at 18:30 and reaches at 21:05. How long is the journey (in minutes)?
11. 11.Write 10:40 a.m. in 24-hour time. (a) 12:40 (b) 10:40 (c) 22:40
12. 12.A train leaves at 08:45 and reaches at 09:25. How long is the journey (in minutes)?
13. 13.Write 4:00 a.m. in 24-hour time. (a) 16:00 (b) 06:00 (c) 04:00
14. 14.Write 11:35 a.m. in 24-hour time. (a) 13:35 (b) 23:35 (c) 11:35
15. 15.How many hours are there from 12:00 to 21:00?
16. 16.A film is 3 hours 55 minutes long. How many minutes is that?
17. 17.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 16:15 (c) 14:15
18. 18.A match starts at 06:35 and lasts 3 hours 40 minutes. At what time does it end? (a) 09:15 (b) 11:15 (c) 10:15
19. 19.A match starts at 06:10 and lasts 2 hours 40 minutes. At what time does it end? (a) 07:50 (b) 09:50 (c) 08:50
20. 20.How many hours are there from 10:00 to 18:00?
21. 21.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
22. 22.Write 1:50 a.m. in 24-hour time. (a) 13:50 (b) 03:50 (c) 01:50
23. 23.Write 4:00 p.m. in 24-hour time. (a) 16:00 (b) 18:00 (c) 04:00
24. 24.What is 14:05 in 12-hour time? (a) 2:05 a.m. (b) 2:05 p.m. (c) 4:05 p.m.
25. 25.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 18:05 (c) 16:05
26. 26.Write 9:05 p.m. in 24-hour time. (a) 23:05 (b) 09:05 (c) 21:05
27. 27.How many hours are there from 05:00 to 14:00?
28. 28.A film is 1 hour 25 minutes long. How many minutes is that?
29. 29.A train leaves at 08:55 and reaches at 10:45. How long is the journey (in minutes)?
30. 30.A film is 4 hours 5 minutes long. How many minutes is that?
31. 31.A film is 4 hours 15 minutes long. How many minutes is that?
32. 32.What is 01:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 a.m. (c) 1:55 p.m.
33. 33.How many hours are there from 10:00 to 14:00?
34. 34.How many hours are there from 08:00 to 23:00?
35. 35.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 p.m.
36. 36.What is 15:30 in 12-hour time? (a) 3:30 p.m. (b) 3:30 a.m. (c) 5:30 p.m.
37. 37.A train leaves at 14:50 and reaches at 17:10. How long is the journey (in minutes)?
38. 38.What is 05:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 a.m. (c) 5:30 a.m.
39. 39.How many hours are there from 07:00 to 15:00?
40. 40.A match starts at 17:00 and lasts 2 hours 35 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 18:35

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