Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 198 · 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 15:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 16:45 (b) 15:45 (c) 17:45
2. 2.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 10:25
3. 3.How many hours are there from 11:00 to 13:00?
4. 4.What is 01:35 in 12-hour time? (a) 1:35 p.m. (b) 1:35 a.m. (c) 3:35 a.m.
5. 5.Write 8:25 p.m. in 24-hour time. (a) 08:25 (b) 22:25 (c) 20:25
6. 6.What is 06:45 in 12-hour time? (a) 8:45 a.m. (b) 6:45 a.m. (c) 6:45 p.m.
7. 7.A train leaves at 17:05 and reaches at 18:40. How long is the journey (in minutes)?
8. 8.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 7:50 p.m. (c) 5:50 p.m.
9. 9.A film is 1 hour 40 minutes long. How many minutes is that?
10. 10.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 03:10 (c) 01:10
11. 11.Write 5:50 p.m. in 24-hour time. (a) 05:50 (b) 17:50 (c) 19:50
12. 12.A train leaves at 10:25 and reaches at 13:20. How long is the journey (in minutes)?
13. 13.A match starts at 10:00 and lasts 3 hours 5 minutes. At what time does it end? (a) 14:05 (b) 13:05 (c) 12:05
14. 14.A film is 3 hours 50 minutes long. How many minutes is that?
15. 15.What is 20:15 in 12-hour time? (a) 10:15 p.m. (b) 8:15 a.m. (c) 8:15 p.m.
16. 16.A train leaves at 19:55 and reaches at 21:55. How long is the journey (in minutes)?
17. 17.What is 03:25 in 12-hour time? (a) 5:25 a.m. (b) 3:25 a.m. (c) 3:25 p.m.
18. 18.A film is 4 hours 10 minutes long. How many minutes is that?
19. 19.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 a.m. (c) 2:40 p.m.
20. 20.How many hours are there from 07:00 to 21:00?
21. 21.A film is 1 hour 30 minutes long. How many minutes is that?
22. 22.A train leaves at 07:35 and reaches at 09:40. How long is the journey (in minutes)?
23. 23.What is 05:05 in 12-hour time? (a) 5:05 p.m. (b) 7:05 a.m. (c) 5:05 a.m.
24. 24.A film is 4 hours 20 minutes long. How many minutes is that?
25. 25.How many hours are there from 10:00 to 19:00?
26. 26.How many hours are there from 05:00 to 07:00?
27. 27.A match starts at 16:20 and lasts 4 hours 5 minutes. At what time does it end? (a) 21:25 (b) 19:25 (c) 20:25
28. 28.A train leaves at 13:55 and reaches at 15:05. How long is the journey (in minutes)?
29. 29.What is 06:15 in 12-hour time? (a) 6:15 a.m. (b) 8:15 a.m. (c) 6:15 p.m.
30. 30.What is 08:30 in 12-hour time? (a) 10:30 a.m. (b) 8:30 p.m. (c) 8:30 a.m.
31. 31.Write 4:55 a.m. in 24-hour time. (a) 04:55 (b) 16:55 (c) 06:55
32. 32.A train leaves at 19:30 and reaches at 20:30. How long is the journey (in minutes)?
33. 33.How many hours are there from 09:00 to 17:00?
34. 34.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 01:40 (c) 13:40
35. 35.A match starts at 18:40 and lasts 4 hours 35 minutes. At what time does it end? (a) 22:15 (b) 00:15 (c) 23:15
36. 36.How many hours are there from 09:00 to 13:00?
37. 37.Write 8:15 a.m. in 24-hour time. (a) 20:15 (b) 10:15 (c) 08:15
38. 38.What is 13:25 in 12-hour time? (a) 1:25 a.m. (b) 3:25 p.m. (c) 1:25 p.m.
39. 39.A match starts at 08:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 11:50 (b) 10:50 (c) 12:50
40. 40.A train leaves at 06:50 and reaches at 09:20. How long is the journey (in minutes)?

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