Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 500 · 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 11:55 and reaches at 13:05. How long is the journey (in minutes)?
2. 2.A match starts at 09:15 and lasts 1 hour 15 minutes. At what time does it end? (a) 11:30 (b) 10:30 (c) 09:30
3. 3.A train leaves at 09:40 and reaches at 11:35. How long is the journey (in minutes)?
4. 4.A train leaves at 14:00 and reaches at 14:40. How long is the journey (in minutes)?
5. 5.Write 5:45 p.m. in 24-hour time. (a) 05:45 (b) 17:45 (c) 19:45
6. 6.A train leaves at 16:50 and reaches at 17:20. How long is the journey (in minutes)?
7. 7.Write 10:45 p.m. in 24-hour time. (a) 00:45 (b) 22:45 (c) 10:45
8. 8.What is 21:55 in 12-hour time? (a) 11:55 p.m. (b) 9:55 p.m. (c) 9:55 a.m.
9. 9.A train leaves at 08:45 and reaches at 09:40. How long is the journey (in minutes)?
10. 10.A train leaves at 06:45 and reaches at 09:15. How long is the journey (in minutes)?
11. 11.A train leaves at 16:40 and reaches at 17:45. How long is the journey (in minutes)?
12. 12.A film is 3 hours 10 minutes long. How many minutes is that?
13. 13.A film is 1 hour 50 minutes long. How many minutes is that?
14. 14.What is 03:45 in 12-hour time? (a) 5:45 a.m. (b) 3:45 a.m. (c) 3:45 p.m.
15. 15.How many hours are there from 08:00 to 17:00?
16. 16.How many hours are there from 07:00 to 12:00?
17. 17.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
18. 18.Write 4:25 p.m. in 24-hour time. (a) 18:25 (b) 04:25 (c) 16:25
19. 19.A film is 1 hour 30 minutes long. How many minutes is that?
20. 20.A match starts at 10:25 and lasts 3 hours 15 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 14:40
21. 21.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 p.m. (c) 2:40 p.m.
22. 22.A train leaves at 19:50 and reaches at 22:50. How long is the journey (in minutes)?
23. 23.Write 1:55 p.m. in 24-hour time. (a) 01:55 (b) 15:55 (c) 13:55
24. 24.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 09:00
25. 25.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 05:50 (c) 15:50
26. 26.What is 17:30 in 12-hour time? (a) 7:30 p.m. (b) 5:30 p.m. (c) 5:30 a.m.
27. 27.How many hours are there from 10:00 to 13:00?
28. 28.What is 04:10 in 12-hour time? (a) 4:10 p.m. (b) 4:10 a.m. (c) 6:10 a.m.
29. 29.Write 9:05 p.m. in 24-hour time. (a) 23:05 (b) 09:05 (c) 21:05
30. 30.How many hours are there from 11:00 to 16:00?
31. 31.A train leaves at 13:40 and reaches at 16:00. How long is the journey (in minutes)?
32. 32.A match starts at 09:20 and lasts 2 hours 45 minutes. At what time does it end? (a) 12:05 (b) 11:05 (c) 13:05
33. 33.A film is 4 hours 30 minutes long. How many minutes is that?
34. 34.A match starts at 08:50 and lasts 4 hours 50 minutes. At what time does it end? (a) 12:40 (b) 13:40 (c) 14:40
35. 35.A train leaves at 14:25 and reaches at 16:50. How long is the journey (in minutes)?
36. 36.What is 02:15 in 12-hour time? (a) 2:15 p.m. (b) 2:15 a.m. (c) 4:15 a.m.
37. 37.A train leaves at 10:10 and reaches at 12:55. How long is the journey (in minutes)?
38. 38.Write 6:35 a.m. in 24-hour time. (a) 06:35 (b) 08:35 (c) 18:35
39. 39.A film is 3 hours 25 minutes long. How many minutes is that?
40. 40.What is 07:10 in 12-hour time? (a) 7:10 p.m. (b) 7:10 a.m. (c) 9:10 a.m.

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