Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 215 · 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 08:00 to 11:00?
2. 2.What is 03:10 in 12-hour time? (a) 3:10 p.m. (b) 5:10 a.m. (c) 3:10 a.m.
3. 3.How many hours are there from 05:00 to 22:00?
4. 4.What is 05:35 in 12-hour time? (a) 5:35 a.m. (b) 7:35 a.m. (c) 5:35 p.m.
5. 5.A film is 2 hours 15 minutes long. How many minutes is that?
6. 6.What is 04:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 a.m. (c) 4:15 a.m.
7. 7.A film is 4 hours 50 minutes long. How many minutes is that?
8. 8.How many hours are there from 06:00 to 13:00?
9. 9.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 9:20 p.m. (c) 11:20 p.m.
10. 10.How many hours are there from 09:00 to 22:00?
11. 11.A film is 2 hours 50 minutes long. How many minutes is that?
12. 12.Write 9:50 a.m. in 24-hour time. (a) 09:50 (b) 21:50 (c) 11:50
13. 13.How many hours are there from 09:00 to 13:00?
14. 14.Write 2:50 p.m. in 24-hour time. (a) 16:50 (b) 14:50 (c) 02:50
15. 15.Write 9:50 p.m. in 24-hour time. (a) 23:50 (b) 21:50 (c) 09:50
16. 16.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 4:05 a.m. (c) 2:05 a.m.
17. 17.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 03:55 (c) 01:55
18. 18.A match starts at 08:05 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:15 (b) 09:15 (c) 10:15
19. 19.A train leaves at 11:00 and reaches at 12:50. How long is the journey (in minutes)?
20. 20.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 p.m. (c) 10:55 p.m.
21. 21.How many hours are there from 09:00 to 21:00?
22. 22.A train leaves at 14:10 and reaches at 14:50. How long is the journey (in minutes)?
23. 23.How many hours are there from 12:00 to 15:00?
24. 24.A film is 2 hours 35 minutes long. How many minutes is that?
25. 25.A film is 3 hours 10 minutes long. How many minutes is that?
26. 26.A match starts at 08:55 and lasts 1 hour 30 minutes. At what time does it end? (a) 11:25 (b) 09:25 (c) 10:25
27. 27.A film is 2 hours 5 minutes long. How many minutes is that?
28. 28.What is 17:25 in 12-hour time? (a) 5:25 a.m. (b) 5:25 p.m. (c) 7:25 p.m.
29. 29.How many hours are there from 09:00 to 16:00?
30. 30.A match starts at 16:05 and lasts 1 hour 55 minutes. At what time does it end? (a) 19:00 (b) 18:00 (c) 17:00
31. 31.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 23:45
32. 32.A match starts at 08:10 and lasts 3 hours 50 minutes. At what time does it end? (a) 11:00 (b) 12:00 (c) 13:00
33. 33.A train leaves at 08:25 and reaches at 09:00. How long is the journey (in minutes)?
34. 34.A film is 4 hours 10 minutes long. How many minutes is that?
35. 35.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 p.m. (c) 11:20 a.m.
36. 36.A film is 1 hour 30 minutes long. How many minutes is that?
37. 37.What is 09:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 a.m. (c) 9:35 p.m.
38. 38.A train leaves at 09:05 and reaches at 10:45. How long is the journey (in minutes)?
39. 39.What is 01:10 in 12-hour time? (a) 3:10 a.m. (b) 1:10 a.m. (c) 1:10 p.m.
40. 40.A match starts at 10:00 and lasts 1 hour 25 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 10:25

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