Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 994 · 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 17:55 in 12-hour time? (a) 7:55 p.m. (b) 5:55 a.m. (c) 5:55 p.m.
2. 2.A match starts at 06:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
3. 3.How many hours are there from 11:00 to 19:00?
4. 4.A match starts at 07:20 and lasts 2 hours 50 minutes. At what time does it end? (a) 10:10 (b) 11:10 (c) 09:10
5. 5.A match starts at 09:00 and lasts 4 hours. At what time does it end? (a) 12:00 (b) 14:00 (c) 13:00
6. 6.How many hours are there from 08:00 to 19:00?
7. 7.What is 13:30 in 12-hour time? (a) 1:30 p.m. (b) 1:30 a.m. (c) 3:30 p.m.
8. 8.Write 7:35 a.m. in 24-hour time. (a) 19:35 (b) 07:35 (c) 09:35
9. 9.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 13:45 (c) 11:45
10. 10.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 a.m.
11. 11.A film is 1 hour 5 minutes long. How many minutes is that?
12. 12.Write 7:00 p.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 21:00
13. 13.What is 05:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 a.m. (c) 5:45 p.m.
14. 14.A match starts at 16:05 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 19:20
15. 15.Write 8:35 a.m. in 24-hour time. (a) 10:35 (b) 20:35 (c) 08:35
16. 16.A match starts at 17:40 and lasts 3 hours 20 minutes. At what time does it end? (a) 21:00 (b) 22:00 (c) 20:00
17. 17.What is 10:35 in 12-hour time? (a) 12:35 a.m. (b) 10:35 p.m. (c) 10:35 a.m.
18. 18.A film is 1 hour 50 minutes long. How many minutes is that?
19. 19.A film is 4 hours 30 minutes long. How many minutes is that?
20. 20.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 07:35 (c) 19:35
21. 21.A match starts at 14:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:25 (b) 18:25 (c) 16:25
22. 22.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 17:10 (c) 07:10
23. 23.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 22:20 (c) 10:20
24. 24.Write 6:15 a.m. in 24-hour time. (a) 08:15 (b) 06:15 (c) 18:15
25. 25.What is 22:00 in 12-hour time? (a) 10:00 a.m. (b) 12:00 p.m. (c) 10:00 p.m.
26. 26.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 05:15
27. 27.A train leaves at 16:55 and reaches at 18:35. How long is the journey (in minutes)?
28. 28.How many hours are there from 07:00 to 11:00?
29. 29.Write 2:05 a.m. in 24-hour time. (a) 14:05 (b) 04:05 (c) 02:05
30. 30.A match starts at 08:25 and lasts 3 hours 55 minutes. At what time does it end? (a) 12:20 (b) 13:20 (c) 11:20
31. 31.How many hours are there from 05:00 to 15:00?
32. 32.A train leaves at 08:05 and reaches at 10:35. How long is the journey (in minutes)?
33. 33.What is 02:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 a.m. (c) 2:15 p.m.
34. 34.A train leaves at 11:50 and reaches at 12:20. How long is the journey (in minutes)?
35. 35.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 p.m.
36. 36.A film is 2 hours 20 minutes long. How many minutes is that?
37. 37.A film is 3 hours 40 minutes long. How many minutes is that?
38. 38.A match starts at 09:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 12:50 (b) 13:50 (c) 11:50
39. 39.A train leaves at 07:45 and reaches at 10:30. How long is the journey (in minutes)?
40. 40.How many hours are there from 11:00 to 16:00?

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