Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 457 · 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 07:55 and reaches at 08:35. How long is the journey (in minutes)?
2. 2.What is 03:25 in 12-hour time? (a) 3:25 a.m. (b) 3:25 p.m. (c) 5:25 a.m.
3. 3.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 01:25 (c) 15:25
4. 4.What is 05:50 in 12-hour time? (a) 5:50 p.m. (b) 5:50 a.m. (c) 7:50 a.m.
5. 5.A film is 1 hour 30 minutes long. How many minutes is that?
6. 6.What is 20:40 in 12-hour time? (a) 8:40 a.m. (b) 10:40 p.m. (c) 8:40 p.m.
7. 7.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 04:15 (c) 02:15
8. 8.A film is 1 hour 10 minutes long. How many minutes is that?
9. 9.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 15:55 (c) 03:55
10. 10.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 12:20 p.m. (c) 10:20 p.m.
11. 11.A match starts at 16:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 19:25 (b) 18:25 (c) 20:25
12. 12.How many hours are there from 05:00 to 16:00?
13. 13.A train leaves at 09:10 and reaches at 09:50. How long is the journey (in minutes)?
14. 14.A match starts at 08:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 11:40 (b) 09:40 (c) 10:40
15. 15.What is 23:25 in 12-hour time? (a) 11:25 a.m. (b) 11:25 p.m. (c) 1:25 p.m.
16. 16.How many hours are there from 10:00 to 18:00?
17. 17.A train leaves at 11:45 and reaches at 14:40. How long is the journey (in minutes)?
18. 18.Write 3:00 a.m. in 24-hour time. (a) 05:00 (b) 03:00 (c) 15:00
19. 19.A film is 3 hours 50 minutes long. How many minutes is that?
20. 20.A film is 1 hour 20 minutes long. How many minutes is that?
21. 21.A match starts at 08:15 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:30 (b) 08:30 (c) 10:30
22. 22.A film is 3 hours 5 minutes long. How many minutes is that?
23. 23.Write 1:50 p.m. in 24-hour time. (a) 01:50 (b) 15:50 (c) 13:50
24. 24.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 04:50 (c) 16:50
25. 25.Write 6:05 a.m. in 24-hour time. (a) 18:05 (b) 06:05 (c) 08:05
26. 26.What is 09:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 a.m. (c) 9:20 a.m.
27. 27.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 15:50 (c) 03:50
28. 28.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 a.m.
29. 29.What is 01:20 in 12-hour time? (a) 1:20 p.m. (b) 3:20 a.m. (c) 1:20 a.m.
30. 30.Write 3:15 a.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 05:15
31. 31.A film is 4 hours 40 minutes long. How many minutes is that?
32. 32.Write 11:55 a.m. in 24-hour time. (a) 11:55 (b) 13:55 (c) 23:55
33. 33.How many hours are there from 06:00 to 12:00?
34. 34.Write 6:55 a.m. in 24-hour time. (a) 08:55 (b) 18:55 (c) 06:55
35. 35.How many hours are there from 06:00 to 15:00?
36. 36.A film is 2 hours 10 minutes long. How many minutes is that?
37. 37.A match starts at 18:30 and lasts 1 hour 35 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 19:05
38. 38.A match starts at 12:30 and lasts 4 hours 45 minutes. At what time does it end? (a) 17:15 (b) 16:15 (c) 18:15
39. 39.A train leaves at 12:15 and reaches at 15:05. How long is the journey (in minutes)?
40. 40.A train leaves at 09:05 and reaches at 10:05. How long is the journey (in minutes)?

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