Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 382 · 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.Write 4:10 p.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 18:10
2. 2.A train leaves at 06:10 and reaches at 09:10. How long is the journey (in minutes)?
3. 3.A film is 1 hour 50 minutes long. How many minutes is that?
4. 4.A film is 1 hour 10 minutes long. How many minutes is that?
5. 5.How many hours are there from 06:00 to 08:00?
6. 6.What is 21:20 in 12-hour time? (a) 9:20 a.m. (b) 11:20 p.m. (c) 9:20 p.m.
7. 7.A film is 2 hours 5 minutes long. How many minutes is that?
8. 8.A film is 3 hours 50 minutes long. How many minutes is that?
9. 9.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
10. 10.A train leaves at 08:05 and reaches at 08:40. How long is the journey (in minutes)?
11. 11.A match starts at 10:15 and lasts 4 hours 30 minutes. At what time does it end? (a) 14:45 (b) 13:45 (c) 15:45
12. 12.A train leaves at 17:10 and reaches at 18:15. How long is the journey (in minutes)?
13. 13.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 22:15 (c) 20:15
14. 14.A train leaves at 09:15 and reaches at 11:10. How long is the journey (in minutes)?
15. 15.A match starts at 06:05 and lasts 3 hours 45 minutes. At what time does it end? (a) 10:50 (b) 08:50 (c) 09:50
16. 16.How many hours are there from 07:00 to 16:00?
17. 17.A match starts at 10:55 and lasts 2 hours 15 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
18. 18.Write 5:30 a.m. in 24-hour time. (a) 07:30 (b) 17:30 (c) 05:30
19. 19.What is 23:20 in 12-hour time? (a) 1:20 p.m. (b) 11:20 p.m. (c) 11:20 a.m.
20. 20.A film is 1 hour 20 minutes long. How many minutes is that?
21. 21.How many hours are there from 09:00 to 14:00?
22. 22.Write 8:50 p.m. in 24-hour time. (a) 22:50 (b) 08:50 (c) 20:50
23. 23.A film is 2 hours 50 minutes long. How many minutes is that?
24. 24.A match starts at 11:00 and lasts 3 hours 55 minutes. At what time does it end? (a) 15:55 (b) 13:55 (c) 14:55
25. 25.A train leaves at 08:05 and reaches at 10:55. How long is the journey (in minutes)?
26. 26.A match starts at 09:35 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 12:15
27. 27.How many hours are there from 06:00 to 11:00?
28. 28.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
29. 29.A match starts at 12:50 and lasts 3 hours 15 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 17:05
30. 30.What is 20:10 in 12-hour time? (a) 10:10 p.m. (b) 8:10 p.m. (c) 8:10 a.m.
31. 31.How many hours are there from 08:00 to 22:00?
32. 32.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 p.m. (c) 2:25 a.m.
33. 33.What is 11:15 in 12-hour time? (a) 11:15 p.m. (b) 11:15 a.m. (c) 1:15 a.m.
34. 34.Write 11:35 a.m. in 24-hour time. (a) 11:35 (b) 23:35 (c) 13:35
35. 35.A match starts at 13:20 and lasts 1 hour 20 minutes. At what time does it end? (a) 15:40 (b) 14:40 (c) 13:40
36. 36.How many hours are there from 07:00 to 10:00?
37. 37.A match starts at 08:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:45 (b) 10:45 (c) 09:45
38. 38.A train leaves at 08:15 and reaches at 10:30. How long is the journey (in minutes)?
39. 39.Write 9:20 a.m. in 24-hour time. (a) 11:20 (b) 21:20 (c) 09:20
40. 40.A train leaves at 13:15 and reaches at 15:50. How long is the journey (in minutes)?

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