Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 541 · 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 1:55 a.m. in 24-hour time. (a) 01:55 (b) 03:55 (c) 13:55
2. 2.A film is 2 hours 25 minutes long. How many minutes is that?
3. 3.Write 4:25 p.m. in 24-hour time. (a) 16:25 (b) 04:25 (c) 18:25
4. 4.How many hours are there from 06:00 to 20:00?
5. 5.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 13:20 (c) 01:20
6. 6.A train leaves at 10:00 and reaches at 12:15. How long is the journey (in minutes)?
7. 7.Write 6:00 a.m. in 24-hour time. (a) 08:00 (b) 18:00 (c) 06:00
8. 8.A match starts at 12:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 14:35 (b) 13:35 (c) 12:35
9. 9.Write 1:30 p.m. in 24-hour time. (a) 15:30 (b) 01:30 (c) 13:30
10. 10.Write 2:25 p.m. in 24-hour time. (a) 16:25 (b) 02:25 (c) 14:25
11. 11.What is 07:55 in 12-hour time? (a) 7:55 a.m. (b) 9:55 a.m. (c) 7:55 p.m.
12. 12.A train leaves at 12:15 and reaches at 14:05. How long is the journey (in minutes)?
13. 13.What is 23:05 in 12-hour time? (a) 1:05 p.m. (b) 11:05 p.m. (c) 11:05 a.m.
14. 14.A film is 1 hour 45 minutes long. How many minutes is that?
15. 15.What is 17:25 in 12-hour time? (a) 5:25 a.m. (b) 5:25 p.m. (c) 7:25 p.m.
16. 16.A match starts at 15:10 and lasts 4 hours 30 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
17. 17.A train leaves at 12:45 and reaches at 13:10. How long is the journey (in minutes)?
18. 18.How many hours are there from 11:00 to 17:00?
19. 19.What is 08:40 in 12-hour time? (a) 8:40 p.m. (b) 8:40 a.m. (c) 10:40 a.m.
20. 20.How many hours are there from 10:00 to 23:00?
21. 21.A train leaves at 06:05 and reaches at 07:40. How long is the journey (in minutes)?
22. 22.What is 15:45 in 12-hour time? (a) 5:45 p.m. (b) 3:45 a.m. (c) 3:45 p.m.
23. 23.What is 11:00 in 12-hour time? (a) 11:00 a.m. (b) 11:00 p.m. (c) 1:00 a.m.
24. 24.A match starts at 09:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 11:35 (b) 12:35 (c) 13:35
25. 25.A film is 2 hours 5 minutes long. How many minutes is that?
26. 26.A train leaves at 10:50 and reaches at 12:05. How long is the journey (in minutes)?
27. 27.How many hours are there from 08:00 to 23:00?
28. 28.A train leaves at 11:10 and reaches at 13:30. How long is the journey (in minutes)?
29. 29.How many hours are there from 05:00 to 16:00?
30. 30.A train leaves at 09:45 and reaches at 11:05. How long is the journey (in minutes)?
31. 31.A train leaves at 09:00 and reaches at 11:00. How long is the journey (in minutes)?
32. 32.What is 03:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 a.m.
33. 33.How many hours are there from 05:00 to 10:00?
34. 34.How many hours are there from 08:00 to 11:00?
35. 35.How many hours are there from 05:00 to 07:00?
36. 36.A film is 4 hours 35 minutes long. How many minutes is that?
37. 37.A film is 1 hour 55 minutes long. How many minutes is that?
38. 38.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 17:15 (c) 15:15
39. 39.How many hours are there from 09:00 to 22:00?
40. 40.A train leaves at 06:10 and reaches at 07:35. How long is the journey (in minutes)?

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