Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 265 · 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 10:05 and reaches at 10:45. How long is the journey (in minutes)?
2. 2.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 02:10 (c) 04:10
3. 3.Write 3:20 a.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 05:20
4. 4.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 a.m.
5. 5.How many hours are there from 10:00 to 13:00?
6. 6.A train leaves at 11:25 and reaches at 12:10. How long is the journey (in minutes)?
7. 7.How many hours are there from 06:00 to 21:00?
8. 8.A match starts at 08:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:25 (b) 08:25 (c) 09:25
9. 9.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 04:20 (c) 02:20
10. 10.A film is 2 hours 55 minutes long. How many minutes is that?
11. 11.How many hours are there from 10:00 to 23:00?
12. 12.A film is 3 hours 50 minutes long. How many minutes is that?
13. 13.A match starts at 15:35 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:05 (b) 18:05 (c) 19:05
14. 14.A train leaves at 07:00 and reaches at 08:45. How long is the journey (in minutes)?
15. 15.A train leaves at 16:55 and reaches at 20:10. How long is the journey (in minutes)?
16. 16.A train leaves at 12:50 and reaches at 14:10. How long is the journey (in minutes)?
17. 17.How many hours are there from 06:00 to 23:00?
18. 18.What is 07:25 in 12-hour time? (a) 9:25 a.m. (b) 7:25 a.m. (c) 7:25 p.m.
19. 19.How many hours are there from 11:00 to 23:00?
20. 20.A train leaves at 14:55 and reaches at 16:50. How long is the journey (in minutes)?
21. 21.A match starts at 06:50 and lasts 4 hours 20 minutes. At what time does it end? (a) 12:10 (b) 11:10 (c) 10:10
22. 22.A film is 2 hours 5 minutes long. How many minutes is that?
23. 23.Write 11:00 a.m. in 24-hour time. (a) 11:00 (b) 23:00 (c) 13:00
24. 24.How many hours are there from 10:00 to 20:00?
25. 25.A match starts at 16:55 and lasts 4 hours 40 minutes. At what time does it end? (a) 22:35 (b) 20:35 (c) 21:35
26. 26.A train leaves at 08:40 and reaches at 09:10. How long is the journey (in minutes)?
27. 27.How many hours are there from 08:00 to 15:00?
28. 28.A film is 4 hours 40 minutes long. How many minutes is that?
29. 29.How many hours are there from 06:00 to 15:00?
30. 30.What is 01:15 in 12-hour time? (a) 3:15 a.m. (b) 1:15 p.m. (c) 1:15 a.m.
31. 31.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
32. 32.A match starts at 06:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:05 (b) 09:05 (c) 07:05
33. 33.Write 7:15 a.m. in 24-hour time. (a) 19:15 (b) 09:15 (c) 07:15
34. 34.A film is 4 hours 30 minutes long. How many minutes is that?
35. 35.What is 02:55 in 12-hour time? (a) 2:55 p.m. (b) 4:55 a.m. (c) 2:55 a.m.
36. 36.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 p.m. (c) 11:40 a.m.
37. 37.A film is 1 hour 25 minutes long. How many minutes is that?
38. 38.How many hours are there from 09:00 to 15:00?
39. 39.Write 2:50 p.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 16:50
40. 40.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 1:40 p.m. (c) 3:40 p.m.

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