Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 310 · 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.What is 20:25 in 12-hour time? (a) 8:25 p.m. (b) 8:25 a.m. (c) 10:25 p.m.
2. 2.How many hours are there from 12:00 to 14:00?
3. 3.How many hours are there from 11:00 to 14:00?
4. 4.How many hours are there from 05:00 to 09:00?
5. 5.Write 4:50 a.m. in 24-hour time. (a) 16:50 (b) 04:50 (c) 06:50
6. 6.A match starts at 18:10 and lasts 3 hours 55 minutes. At what time does it end? (a) 22:05 (b) 23:05 (c) 21:05
7. 7.Write 2:30 p.m. in 24-hour time. (a) 02:30 (b) 16:30 (c) 14:30
8. 8.A film is 2 hours 30 minutes long. How many minutes is that?
9. 9.A train leaves at 09:20 and reaches at 11:25. How long is the journey (in minutes)?
10. 10.A match starts at 16:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 21:55 (b) 20:55 (c) 19:55
11. 11.A train leaves at 15:45 and reaches at 17:45. How long is the journey (in minutes)?
12. 12.Write 7:45 p.m. in 24-hour time. (a) 21:45 (b) 07:45 (c) 19:45
13. 13.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 04:15
14. 14.A train leaves at 10:05 and reaches at 13:00. How long is the journey (in minutes)?
15. 15.How many hours are there from 08:00 to 12:00?
16. 16.A film is 2 hours 35 minutes long. How many minutes is that?
17. 17.What is 08:00 in 12-hour time? (a) 8:00 a.m. (b) 10:00 a.m. (c) 8:00 p.m.
18. 18.A match starts at 16:25 and lasts 3 hours 50 minutes. At what time does it end? (a) 19:15 (b) 21:15 (c) 20:15
19. 19.A train leaves at 17:15 and reaches at 20:25. How long is the journey (in minutes)?
20. 20.How many hours are there from 07:00 to 11:00?
21. 21.A match starts at 12:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:20 (b) 12:20 (c) 13:20
22. 22.What is 13:40 in 12-hour time? (a) 1:40 a.m. (b) 3:40 p.m. (c) 1:40 p.m.
23. 23.What is 22:15 in 12-hour time? (a) 10:15 a.m. (b) 12:15 p.m. (c) 10:15 p.m.
24. 24.A match starts at 14:15 and lasts 2 hours 40 minutes. At what time does it end? (a) 17:55 (b) 15:55 (c) 16:55
25. 25.A train leaves at 08:50 and reaches at 10:35. How long is the journey (in minutes)?
26. 26.A match starts at 12:10 and lasts 2 hours 40 minutes. At what time does it end? (a) 15:50 (b) 14:50 (c) 13:50
27. 27.A train leaves at 18:00 and reaches at 21:20. How long is the journey (in minutes)?
28. 28.A match starts at 12:55 and lasts 4 hours 15 minutes. At what time does it end? (a) 18:10 (b) 16:10 (c) 17:10
29. 29.What is 20:05 in 12-hour time? (a) 8:05 p.m. (b) 8:05 a.m. (c) 10:05 p.m.
30. 30.Write 5:20 p.m. in 24-hour time. (a) 05:20 (b) 17:20 (c) 19:20
31. 31.A train leaves at 19:00 and reaches at 19:40. How long is the journey (in minutes)?
32. 32.What is 07:00 in 12-hour time? (a) 7:00 p.m. (b) 9:00 a.m. (c) 7:00 a.m.
33. 33.A film is 3 hours 45 minutes long. How many minutes is that?
34. 34.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 22:10 (c) 10:10
35. 35.How many hours are there from 06:00 to 12:00?
36. 36.How many hours are there from 09:00 to 17:00?
37. 37.A match starts at 12:05 and lasts 4 hours 50 minutes. At what time does it end? (a) 15:55 (b) 17:55 (c) 16:55
38. 38.How many hours are there from 07:00 to 13:00?
39. 39.A train leaves at 18:05 and reaches at 20:05. How long is the journey (in minutes)?
40. 40.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 05:05 (c) 03:05

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