Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 375 · 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 9:00 p.m. in 24-hour time. (a) 09:00 (b) 23:00 (c) 21:00
2. 2.A film is 3 hours 5 minutes long. How many minutes is that?
3. 3.A train leaves at 16:35 and reaches at 18:10. How long is the journey (in minutes)?
4. 4.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 p.m. (c) 9:45 a.m.
5. 5.A match starts at 12:50 and lasts 3 hours 30 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 17:20
6. 6.A train leaves at 11:35 and reaches at 13:20. How long is the journey (in minutes)?
7. 7.A train leaves at 19:45 and reaches at 23:05. How long is the journey (in minutes)?
8. 8.Write 6:30 a.m. in 24-hour time. (a) 08:30 (b) 06:30 (c) 18:30
9. 9.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 00:10
10. 10.Write 7:25 a.m. in 24-hour time. (a) 19:25 (b) 09:25 (c) 07:25
11. 11.A train leaves at 16:30 and reaches at 19:05. How long is the journey (in minutes)?
12. 12.A match starts at 15:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 16:20
13. 13.Write 5:55 p.m. in 24-hour time. (a) 19:55 (b) 17:55 (c) 05:55
14. 14.A film is 3 hours 15 minutes long. How many minutes is that?
15. 15.A train leaves at 17:45 and reaches at 20:50. How long is the journey (in minutes)?
16. 16.A match starts at 14:00 and lasts 4 hours. At what time does it end? (a) 17:00 (b) 19:00 (c) 18:00
17. 17.How many hours are there from 12:00 to 19:00?
18. 18.A film is 1 hour 15 minutes long. How many minutes is that?
19. 19.A match starts at 12:25 and lasts 4 hours. At what time does it end? (a) 16:25 (b) 17:25 (c) 15:25
20. 20.What is 22:20 in 12-hour time? (a) 10:20 a.m. (b) 10:20 p.m. (c) 12:20 p.m.
21. 21.A train leaves at 17:55 and reaches at 20:20. How long is the journey (in minutes)?
22. 22.How many hours are there from 10:00 to 14:00?
23. 23.Write 3:45 p.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 17:45
24. 24.How many hours are there from 10:00 to 18:00?
25. 25.What is 11:30 in 12-hour time? (a) 11:30 a.m. (b) 11:30 p.m. (c) 1:30 a.m.
26. 26.A film is 3 hours 30 minutes long. How many minutes is that?
27. 27.A film is 2 hours 10 minutes long. How many minutes is that?
28. 28.A train leaves at 18:10 and reaches at 20:15. How long is the journey (in minutes)?
29. 29.A train leaves at 06:35 and reaches at 09:15. How long is the journey (in minutes)?
30. 30.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 10:20
31. 31.What is 01:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 a.m. (c) 1:00 a.m.
32. 32.Write 5:45 a.m. in 24-hour time. (a) 07:45 (b) 05:45 (c) 17:45
33. 33.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 14:05 (c) 02:05
34. 34.What is 11:40 in 12-hour time? (a) 11:40 a.m. (b) 1:40 a.m. (c) 11:40 p.m.
35. 35.What is 05:15 in 12-hour time? (a) 7:15 a.m. (b) 5:15 p.m. (c) 5:15 a.m.
36. 36.A train leaves at 06:20 and reaches at 08:45. How long is the journey (in minutes)?
37. 37.A train leaves at 13:55 and reaches at 16:05. How long is the journey (in minutes)?
38. 38.How many hours are there from 06:00 to 14:00?
39. 39.A train leaves at 11:45 and reaches at 12:45. How long is the journey (in minutes)?
40. 40.A match starts at 18:20 and lasts 1 hour 50 minutes. At what time does it end? (a) 21:10 (b) 20:10 (c) 19:10

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