Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 631 · 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 15:15 and lasts 1 hour 25 minutes. At what time does it end? (a) 16:40 (b) 15:40 (c) 17:40
2. 2.Write 6:25 p.m. in 24-hour time. (a) 20:25 (b) 18:25 (c) 06:25
3. 3.What is 02:15 in 12-hour time? (a) 2:15 a.m. (b) 4:15 a.m. (c) 2:15 p.m.
4. 4.A film is 1 hour 5 minutes long. How many minutes is that?
5. 5.How many hours are there from 10:00 to 23:00?
6. 6.A film is 2 hours 20 minutes long. How many minutes is that?
7. 7.A match starts at 08:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 09:45 (b) 10:45 (c) 11:45
8. 8.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 p.m. (c) 10:55 a.m.
9. 9.Write 3:05 p.m. in 24-hour time. (a) 15:05 (b) 17:05 (c) 03:05
10. 10.What is 13:20 in 12-hour time? (a) 3:20 p.m. (b) 1:20 p.m. (c) 1:20 a.m.
11. 11.A train leaves at 13:30 and reaches at 14:25. How long is the journey (in minutes)?
12. 12.A train leaves at 10:40 and reaches at 13:55. How long is the journey (in minutes)?
13. 13.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 p.m. (c) 11:50 a.m.
14. 14.A match starts at 07:50 and lasts 2 hours. At what time does it end? (a) 09:50 (b) 10:50 (c) 08:50
15. 15.How many hours are there from 11:00 to 19:00?
16. 16.A film is 1 hour 25 minutes long. How many minutes is that?
17. 17.A match starts at 12:30 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:05 (b) 16:05 (c) 15:05
18. 18.A film is 4 hours 45 minutes long. How many minutes is that?
19. 19.A match starts at 15:20 and lasts 3 hours 35 minutes. At what time does it end? (a) 17:55 (b) 19:55 (c) 18:55
20. 20.A match starts at 09:00 and lasts 4 hours 35 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 14:35
21. 21.How many hours are there from 10:00 to 18:00?
22. 22.A film is 3 hours 50 minutes long. How many minutes is that?
23. 23.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 7:50 p.m. (c) 5:50 p.m.
24. 24.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
25. 25.A match starts at 16:45 and lasts 4 hours 30 minutes. At what time does it end? (a) 20:15 (b) 21:15 (c) 22:15
26. 26.A train leaves at 19:30 and reaches at 20:05. How long is the journey (in minutes)?
27. 27.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 00:10
28. 28.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 p.m. (c) 3:00 a.m.
29. 29.How many hours are there from 08:00 to 16:00?
30. 30.A train leaves at 14:00 and reaches at 17:00. How long is the journey (in minutes)?
31. 31.How many hours are there from 09:00 to 13:00?
32. 32.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 p.m. (c) 1:10 a.m.
33. 33.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 6:15 p.m. (c) 4:15 a.m.
34. 34.What is 21:20 in 12-hour time? (a) 11:20 p.m. (b) 9:20 p.m. (c) 9:20 a.m.
35. 35.Write 2:05 a.m. in 24-hour time. (a) 02:05 (b) 04:05 (c) 14:05
36. 36.A film is 1 hour 30 minutes long. How many minutes is that?
37. 37.A film is 3 hours 25 minutes long. How many minutes is that?
38. 38.A train leaves at 16:30 and reaches at 17:50. How long is the journey (in minutes)?
39. 39.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 a.m.
40. 40.What is 05:20 in 12-hour time? (a) 7:20 a.m. (b) 5:20 a.m. (c) 5:20 p.m.

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