Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 133 · 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 18:05 and lasts 1 hour 35 minutes. At what time does it end? (a) 18:40 (b) 20:40 (c) 19:40
2. 2.A match starts at 06:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:00 (b) 09:00 (c) 07:00
3. 3.Write 6:20 a.m. in 24-hour time. (a) 18:20 (b) 08:20 (c) 06:20
4. 4.How many hours are there from 07:00 to 10:00?
5. 5.What is 05:20 in 12-hour time? (a) 5:20 a.m. (b) 5:20 p.m. (c) 7:20 a.m.
6. 6.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 13:15 (c) 01:15
7. 7.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
8. 8.A train leaves at 18:55 and reaches at 19:45. How long is the journey (in minutes)?
9. 9.A train leaves at 09:10 and reaches at 10:35. How long is the journey (in minutes)?
10. 10.A train leaves at 18:20 and reaches at 20:55. How long is the journey (in minutes)?
11. 11.Write 4:40 p.m. in 24-hour time. (a) 18:40 (b) 04:40 (c) 16:40
12. 12.What is 07:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 a.m. (c) 7:15 p.m.
13. 13.A train leaves at 08:20 and reaches at 09:15. How long is the journey (in minutes)?
14. 14.A film is 2 hours 5 minutes long. How many minutes is that?
15. 15.How many hours are there from 12:00 to 23:00?
16. 16.What is 11:20 in 12-hour time? (a) 11:20 p.m. (b) 11:20 a.m. (c) 1:20 a.m.
17. 17.What is 06:30 in 12-hour time? (a) 6:30 p.m. (b) 6:30 a.m. (c) 8:30 a.m.
18. 18.A film is 4 hours 30 minutes long. How many minutes is that?
19. 19.A match starts at 11:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:25 (b) 14:25 (c) 15:25
20. 20.Write 11:10 p.m. in 24-hour time. (a) 01:10 (b) 11:10 (c) 23:10
21. 21.A match starts at 09:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 12:10 (b) 14:10 (c) 13:10
22. 22.What is 03:15 in 12-hour time? (a) 3:15 p.m. (b) 3:15 a.m. (c) 5:15 a.m.
23. 23.A train leaves at 06:05 and reaches at 06:50. How long is the journey (in minutes)?
24. 24.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 a.m.
25. 25.A film is 2 hours 20 minutes long. How many minutes is that?
26. 26.A match starts at 10:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 14:35
27. 27.How many hours are there from 10:00 to 12:00?
28. 28.Write 10:05 p.m. in 24-hour time. (a) 10:05 (b) 22:05 (c) 00:05
29. 29.A train leaves at 08:35 and reaches at 11:15. How long is the journey (in minutes)?
30. 30.How many hours are there from 09:00 to 21:00?
31. 31.How many hours are there from 05:00 to 11:00?
32. 32.A train leaves at 17:40 and reaches at 19:35. How long is the journey (in minutes)?
33. 33.A match starts at 13:40 and lasts 2 hours. At what time does it end? (a) 16:40 (b) 15:40 (c) 14:40
34. 34.A film is 4 hours 5 minutes long. How many minutes is that?
35. 35.Write 10:45 p.m. in 24-hour time. (a) 00:45 (b) 22:45 (c) 10:45
36. 36.How many hours are there from 10:00 to 23:00?
37. 37.A match starts at 09:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:25 (b) 13:25 (c) 11:25
38. 38.A train leaves at 19:40 and reaches at 22:15. How long is the journey (in minutes)?
39. 39.How many hours are there from 08:00 to 14:00?
40. 40.A match starts at 08:35 and lasts 1 hour 45 minutes. At what time does it end? (a) 11:20 (b) 09:20 (c) 10:20

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