Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 934 · 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 17:10 and reaches at 20:25. How long is the journey (in minutes)?
2. 2.Write 2:00 p.m. in 24-hour time. (a) 16:00 (b) 14:00 (c) 02:00
3. 3.What is 02:20 in 12-hour time? (a) 4:20 a.m. (b) 2:20 a.m. (c) 2:20 p.m.
4. 4.What is 17:05 in 12-hour time? (a) 5:05 p.m. (b) 7:05 p.m. (c) 5:05 a.m.
5. 5.Write 6:25 a.m. in 24-hour time. (a) 08:25 (b) 18:25 (c) 06:25
6. 6.What is 18:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 p.m.
7. 7.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 12:45 (c) 10:45
8. 8.How many hours are there from 10:00 to 13:00?
9. 9.A train leaves at 14:45 and reaches at 17:15. How long is the journey (in minutes)?
10. 10.What is 18:40 in 12-hour time? (a) 6:40 p.m. (b) 8:40 p.m. (c) 6:40 a.m.
11. 11.A film is 4 hours 20 minutes long. How many minutes is that?
12. 12.A match starts at 12:50 and lasts 4 hours. At what time does it end? (a) 15:50 (b) 17:50 (c) 16:50
13. 13.A match starts at 12:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:05 (b) 14:05 (c) 13:05
14. 14.What is 15:15 in 12-hour time? (a) 3:15 a.m. (b) 3:15 p.m. (c) 5:15 p.m.
15. 15.A match starts at 06:20 and lasts 2 hours 25 minutes. At what time does it end? (a) 07:45 (b) 09:45 (c) 08:45
16. 16.How many hours are there from 09:00 to 15:00?
17. 17.How many hours are there from 05:00 to 09:00?
18. 18.A film is 4 hours 25 minutes long. How many minutes is that?
19. 19.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
20. 20.What is 13:05 in 12-hour time? (a) 1:05 p.m. (b) 3:05 p.m. (c) 1:05 a.m.
21. 21.A match starts at 06:00 and lasts 1 hour 20 minutes. At what time does it end? (a) 08:20 (b) 07:20 (c) 06:20
22. 22.How many hours are there from 11:00 to 20:00?
23. 23.A film is 1 hour 15 minutes long. How many minutes is that?
24. 24.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
25. 25.A train leaves at 07:50 and reaches at 11:00. How long is the journey (in minutes)?
26. 26.A match starts at 09:20 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:25 (b) 12:25 (c) 11:25
27. 27.How many hours are there from 12:00 to 16:00?
28. 28.A film is 2 hours 30 minutes long. How many minutes is that?
29. 29.How many hours are there from 09:00 to 23:00?
30. 30.A train leaves at 13:20 and reaches at 14:35. How long is the journey (in minutes)?
31. 31.How many hours are there from 12:00 to 22:00?
32. 32.Write 7:40 a.m. in 24-hour time. (a) 19:40 (b) 09:40 (c) 07:40
33. 33.What is 09:00 in 12-hour time? (a) 11:00 a.m. (b) 9:00 a.m. (c) 9:00 p.m.
34. 34.A film is 4 hours 10 minutes long. How many minutes is that?
35. 35.How many hours are there from 08:00 to 23:00?
36. 36.How many hours are there from 11:00 to 14:00?
37. 37.What is 07:15 in 12-hour time? (a) 7:15 a.m. (b) 9:15 a.m. (c) 7:15 p.m.
38. 38.What is 05:40 in 12-hour time? (a) 5:40 a.m. (b) 5:40 p.m. (c) 7:40 a.m.
39. 39.A film is 2 hours 15 minutes long. How many minutes is that?
40. 40.Write 7:50 a.m. in 24-hour time. (a) 09:50 (b) 19:50 (c) 07:50

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