Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 84 · 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 train leaves at 19:40 and reaches at 20:50. How long is the journey (in minutes)?
2. 2.What is 23:35 in 12-hour time? (a) 1:35 p.m. (b) 11:35 p.m. (c) 11:35 a.m.
3. 3.A film is 1 hour 20 minutes long. How many minutes is that?
4. 4.A match starts at 10:25 and lasts 1 hour. At what time does it end? (a) 10:25 (b) 11:25 (c) 12:25
5. 5.How many hours are there from 10:00 to 21:00?
6. 6.A match starts at 17:40 and lasts 3 hours. At what time does it end? (a) 21:40 (b) 20:40 (c) 19:40
7. 7.A match starts at 13:00 and lasts 3 hours 15 minutes. At what time does it end? (a) 17:15 (b) 15:15 (c) 16:15
8. 8.A train leaves at 07:05 and reaches at 08:50. How long is the journey (in minutes)?
9. 9.Write 9:20 a.m. in 24-hour time. (a) 09:20 (b) 11:20 (c) 21:20
10. 10.How many hours are there from 06:00 to 20:00?
11. 11.A train leaves at 15:20 and reaches at 18:40. How long is the journey (in minutes)?
12. 12.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
13. 13.A match starts at 16:25 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:45 (b) 19:45 (c) 20:45
14. 14.Write 8:20 a.m. in 24-hour time. (a) 20:20 (b) 10:20 (c) 08:20
15. 15.What is 17:10 in 12-hour time? (a) 5:10 a.m. (b) 7:10 p.m. (c) 5:10 p.m.
16. 16.A match starts at 17:55 and lasts 1 hour 5 minutes. At what time does it end? (a) 19:00 (b) 18:00 (c) 20:00
17. 17.What is 20:40 in 12-hour time? (a) 8:40 a.m. (b) 8:40 p.m. (c) 10:40 p.m.
18. 18.What is 17:25 in 12-hour time? (a) 5:25 p.m. (b) 7:25 p.m. (c) 5:25 a.m.
19. 19.How many hours are there from 09:00 to 18:00?
20. 20.A film is 2 hours 50 minutes long. How many minutes is that?
21. 21.How many hours are there from 05:00 to 19:00?
22. 22.How many hours are there from 11:00 to 14:00?
23. 23.A train leaves at 09:15 and reaches at 10:15. How long is the journey (in minutes)?
24. 24.How many hours are there from 11:00 to 23:00?
25. 25.A match starts at 10:50 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:10 (b) 13:10 (c) 12:10
26. 26.Write 4:45 p.m. in 24-hour time. (a) 04:45 (b) 16:45 (c) 18:45
27. 27.Write 2:20 p.m. in 24-hour time. (a) 16:20 (b) 02:20 (c) 14:20
28. 28.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 17:25 (c) 07:25
29. 29.A match starts at 12:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 17:25 (b) 15:25 (c) 16:25
30. 30.What is 07:20 in 12-hour time? (a) 7:20 a.m. (b) 9:20 a.m. (c) 7:20 p.m.
31. 31.Write 1:05 p.m. in 24-hour time. (a) 15:05 (b) 01:05 (c) 13:05
32. 32.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 22:25 (c) 12:25
33. 33.A match starts at 18:15 and lasts 2 hours 30 minutes. At what time does it end? (a) 20:45 (b) 19:45 (c) 21:45
34. 34.A match starts at 07:15 and lasts 3 hours 20 minutes. At what time does it end? (a) 10:35 (b) 09:35 (c) 11:35
35. 35.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 4:45 p.m. (c) 2:45 p.m.
36. 36.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
37. 37.A film is 3 hours 5 minutes long. How many minutes is that?
38. 38.Write 4:45 a.m. in 24-hour time. (a) 04:45 (b) 16:45 (c) 06:45
39. 39.A train leaves at 09:20 and reaches at 12:25. How long is the journey (in minutes)?
40. 40.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 7:05 a.m. (c) 9:05 a.m.

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