Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 822 · 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 19:25 in 12-hour time? (a) 7:25 p.m. (b) 7:25 a.m. (c) 9:25 p.m.
2. 2.Write 1:00 a.m. in 24-hour time. (a) 03:00 (b) 13:00 (c) 01:00
3. 3.How many hours are there from 06:00 to 12:00?
4. 4.How many hours are there from 06:00 to 11:00?
5. 5.A match starts at 16:15 and lasts 2 hours 45 minutes. At what time does it end? (a) 18:00 (b) 19:00 (c) 20:00
6. 6.What is 02:50 in 12-hour time? (a) 2:50 p.m. (b) 4:50 a.m. (c) 2:50 a.m.
7. 7.How many hours are there from 05:00 to 18:00?
8. 8.A train leaves at 06:10 and reaches at 08:20. How long is the journey (in minutes)?
9. 9.A train leaves at 08:50 and reaches at 09:25. How long is the journey (in minutes)?
10. 10.A train leaves at 06:40 and reaches at 07:55. How long is the journey (in minutes)?
11. 11.What is 13:00 in 12-hour time? (a) 1:00 p.m. (b) 3:00 p.m. (c) 1:00 a.m.
12. 12.A train leaves at 14:35 and reaches at 17:10. How long is the journey (in minutes)?
13. 13.A film is 1 hour 20 minutes long. How many minutes is that?
14. 14.A match starts at 16:20 and lasts 3 hours 40 minutes. At what time does it end? (a) 21:00 (b) 20:00 (c) 19:00
15. 15.Write 7:15 a.m. in 24-hour time. (a) 19:15 (b) 09:15 (c) 07:15
16. 16.Write 6:05 a.m. in 24-hour time. (a) 18:05 (b) 08:05 (c) 06:05
17. 17.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 p.m. (c) 6:30 a.m.
18. 18.What is 21:25 in 12-hour time? (a) 9:25 a.m. (b) 9:25 p.m. (c) 11:25 p.m.
19. 19.A train leaves at 16:30 and reaches at 19:05. How long is the journey (in minutes)?
20. 20.A film is 1 hour 30 minutes long. How many minutes is that?
21. 21.What is 09:15 in 12-hour time? (a) 11:15 a.m. (b) 9:15 a.m. (c) 9:15 p.m.
22. 22.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 22:25 (c) 12:25
23. 23.A train leaves at 08:55 and reaches at 12:00. How long is the journey (in minutes)?
24. 24.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 a.m. (c) 10:05 p.m.
25. 25.What is 13:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 p.m.
26. 26.A train leaves at 09:05 and reaches at 12:10. How long is the journey (in minutes)?
27. 27.Write 6:15 p.m. in 24-hour time. (a) 20:15 (b) 18:15 (c) 06:15
28. 28.A film is 3 hours 5 minutes long. How many minutes is that?
29. 29.Write 8:05 p.m. in 24-hour time. (a) 22:05 (b) 20:05 (c) 08:05
30. 30.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 12:30 a.m. (c) 10:30 a.m.
31. 31.A train leaves at 17:50 and reaches at 18:15. How long is the journey (in minutes)?
32. 32.A match starts at 14:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 18:35 (b) 16:35 (c) 17:35
33. 33.A match starts at 12:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 14:25
34. 34.A match starts at 06:35 and lasts 1 hour 40 minutes. At what time does it end? (a) 07:15 (b) 09:15 (c) 08:15
35. 35.A match starts at 08:10 and lasts 1 hour 40 minutes. At what time does it end? (a) 08:50 (b) 09:50 (c) 10:50
36. 36.A match starts at 14:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:45 (b) 16:45 (c) 15:45
37. 37.A film is 2 hours 5 minutes long. How many minutes is that?
38. 38.A train leaves at 09:35 and reaches at 11:40. How long is the journey (in minutes)?
39. 39.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55
40. 40.Write 11:30 a.m. in 24-hour time. (a) 23:30 (b) 11:30 (c) 13:30

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