Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 942 · 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 11:25 and lasts 1 hour 10 minutes. At what time does it end? (a) 13:35 (b) 12:35 (c) 11:35
2. 2.A film is 3 hours 25 minutes long. How many minutes is that?
3. 3.How many hours are there from 09:00 to 15:00?
4. 4.A train leaves at 09:20 and reaches at 11:40. How long is the journey (in minutes)?
5. 5.A train leaves at 18:20 and reaches at 19:05. How long is the journey (in minutes)?
6. 6.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 a.m.
7. 7.Write 4:15 p.m. in 24-hour time. (a) 04:15 (b) 16:15 (c) 18:15
8. 8.A train leaves at 10:00 and reaches at 10:55. How long is the journey (in minutes)?
9. 9.A match starts at 07:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 11:35
10. 10.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 p.m. (c) 11:45 a.m.
11. 11.A match starts at 15:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15
12. 12.Write 5:10 a.m. in 24-hour time. (a) 07:10 (b) 05:10 (c) 17:10
13. 13.A match starts at 10:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 12:15
14. 14.Write 5:15 p.m. in 24-hour time. (a) 05:15 (b) 17:15 (c) 19:15
15. 15.Write 5:25 p.m. in 24-hour time. (a) 17:25 (b) 19:25 (c) 05:25
16. 16.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 05:15
17. 17.What is 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 a.m. (c) 10:20 p.m.
18. 18.Write 5:15 a.m. in 24-hour time. (a) 05:15 (b) 07:15 (c) 17:15
19. 19.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 10:30 a.m. (c) 12:30 a.m.
20. 20.How many hours are there from 06:00 to 22:00?
21. 21.A film is 2 hours 30 minutes long. How many minutes is that?
22. 22.How many hours are there from 10:00 to 14:00?
23. 23.A film is 4 hours 55 minutes long. How many minutes is that?
24. 24.A match starts at 13:40 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:35 (b) 17:35 (c) 16:35
25. 25.A film is 2 hours 55 minutes long. How many minutes is that?
26. 26.A match starts at 14:05 and lasts 4 hours 25 minutes. At what time does it end? (a) 18:30 (b) 19:30 (c) 17:30
27. 27.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
28. 28.Write 6:05 a.m. in 24-hour time. (a) 18:05 (b) 06:05 (c) 08:05
29. 29.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 19:35 (c) 07:35
30. 30.A train leaves at 19:10 and reaches at 21:05. How long is the journey (in minutes)?
31. 31.A film is 2 hours 5 minutes long. How many minutes is that?
32. 32.A match starts at 08:50 and lasts 1 hour 35 minutes. At what time does it end? (a) 11:25 (b) 10:25 (c) 09:25
33. 33.What is 22:05 in 12-hour time? (a) 10:05 a.m. (b) 10:05 p.m. (c) 12:05 p.m.
34. 34.Write 7:10 p.m. in 24-hour time. (a) 07:10 (b) 21:10 (c) 19:10
35. 35.A match starts at 07:30 and lasts 3 hours 40 minutes. At what time does it end? (a) 12:10 (b) 10:10 (c) 11:10
36. 36.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 02:25 (c) 14:25
37. 37.A film is 4 hours 10 minutes long. How many minutes is that?
38. 38.A train leaves at 09:45 and reaches at 10:25. How long is the journey (in minutes)?
39. 39.How many hours are there from 05:00 to 13:00?
40. 40.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 a.m. (c) 2:35 p.m.

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