Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 619 · 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 06:40 and reaches at 07:30. How long is the journey (in minutes)?
2. 2.Write 6:25 a.m. in 24-hour time. (a) 06:25 (b) 18:25 (c) 08:25
3. 3.Write 6:40 p.m. in 24-hour time. (a) 20:40 (b) 06:40 (c) 18:40
4. 4.A match starts at 10:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
5. 5.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45
6. 6.Write 8:40 a.m. in 24-hour time. (a) 08:40 (b) 10:40 (c) 20:40
7. 7.What is 21:40 in 12-hour time? (a) 11:40 p.m. (b) 9:40 p.m. (c) 9:40 a.m.
8. 8.How many hours are there from 12:00 to 18:00?
9. 9.A match starts at 07:55 and lasts 4 hours 50 minutes. At what time does it end? (a) 11:45 (b) 13:45 (c) 12:45
10. 10.A film is 3 hours 40 minutes long. How many minutes is that?
11. 11.A match starts at 06:30 and lasts 1 hour 15 minutes. At what time does it end? (a) 07:45 (b) 06:45 (c) 08:45
12. 12.What is 01:05 in 12-hour time? (a) 1:05 a.m. (b) 1:05 p.m. (c) 3:05 a.m.
13. 13.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 p.m. (c) 1:55 a.m.
14. 14.A film is 2 hours 35 minutes long. How many minutes is that?
15. 15.How many hours are there from 11:00 to 19:00?
16. 16.Write 7:00 p.m. in 24-hour time. (a) 07:00 (b) 21:00 (c) 19:00
17. 17.A train leaves at 14:50 and reaches at 16:35. How long is the journey (in minutes)?
18. 18.A film is 4 hours 20 minutes long. How many minutes is that?
19. 19.A train leaves at 10:05 and reaches at 12:35. How long is the journey (in minutes)?
20. 20.How many hours are there from 07:00 to 13:00?
21. 21.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 a.m. (c) 2:35 p.m.
22. 22.A film is 2 hours 30 minutes long. How many minutes is that?
23. 23.What is 15:30 in 12-hour time? (a) 3:30 a.m. (b) 5:30 p.m. (c) 3:30 p.m.
24. 24.A train leaves at 12:00 and reaches at 13:00. How long is the journey (in minutes)?
25. 25.A train leaves at 15:25 and reaches at 17:50. How long is the journey (in minutes)?
26. 26.Write 11:40 p.m. in 24-hour time. (a) 01:40 (b) 11:40 (c) 23:40
27. 27.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 p.m. (c) 6:05 a.m.
28. 28.A train leaves at 11:55 and reaches at 15:05. How long is the journey (in minutes)?
29. 29.A match starts at 13:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 15:20 (b) 13:20 (c) 14:20
30. 30.How many hours are there from 06:00 to 23:00?
31. 31.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 13:15 (c) 01:15
32. 32.A train leaves at 16:35 and reaches at 18:35. How long is the journey (in minutes)?
33. 33.A train leaves at 09:25 and reaches at 10:45. How long is the journey (in minutes)?
34. 34.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
35. 35.How many hours are there from 06:00 to 15:00?
36. 36.What is 04:45 in 12-hour time? (a) 4:45 p.m. (b) 4:45 a.m. (c) 6:45 a.m.
37. 37.A match starts at 12:50 and lasts 4 hours 10 minutes. At what time does it end? (a) 18:00 (b) 16:00 (c) 17:00
38. 38.What is 22:30 in 12-hour time? (a) 10:30 a.m. (b) 10:30 p.m. (c) 12:30 p.m.
39. 39.A train leaves at 16:00 and reaches at 16:45. How long is the journey (in minutes)?
40. 40.Write 6:55 a.m. in 24-hour time. (a) 06:55 (b) 08:55 (c) 18:55

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