Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 468 · 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 13:25 in 12-hour time? (a) 1:25 p.m. (b) 3:25 p.m. (c) 1:25 a.m.
2. 2.How many hours are there from 09:00 to 11:00?
3. 3.A train leaves at 19:05 and reaches at 19:35. How long is the journey (in minutes)?
4. 4.A match starts at 10:20 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:10 (b) 16:10 (c) 15:10
5. 5.A train leaves at 06:50 and reaches at 07:50. How long is the journey (in minutes)?
6. 6.A train leaves at 15:50 and reaches at 18:20. How long is the journey (in minutes)?
7. 7.Write 1:15 a.m. in 24-hour time. (a) 13:15 (b) 03:15 (c) 01:15
8. 8.How many hours are there from 07:00 to 09:00?
9. 9.What is 14:20 in 12-hour time? (a) 2:20 a.m. (b) 2:20 p.m. (c) 4:20 p.m.
10. 10.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 21:30 (c) 19:30
11. 11.A film is 3 hours 35 minutes long. How many minutes is that?
12. 12.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 02:20 (c) 04:20
13. 13.What is 20:40 in 12-hour time? (a) 8:40 p.m. (b) 10:40 p.m. (c) 8:40 a.m.
14. 14.A match starts at 07:55 and lasts 4 hours 30 minutes. At what time does it end? (a) 11:25 (b) 13:25 (c) 12:25
15. 15.A train leaves at 09:45 and reaches at 11:35. How long is the journey (in minutes)?
16. 16.A film is 2 hours 25 minutes long. How many minutes is that?
17. 17.What is 19:25 in 12-hour time? (a) 7:25 a.m. (b) 9:25 p.m. (c) 7:25 p.m.
18. 18.A film is 4 hours 5 minutes long. How many minutes is that?
19. 19.A train leaves at 12:20 and reaches at 15:25. How long is the journey (in minutes)?
20. 20.A match starts at 18:15 and lasts 3 hours 10 minutes. At what time does it end? (a) 22:25 (b) 21:25 (c) 20:25
21. 21.What is 11:15 in 12-hour time? (a) 11:15 a.m. (b) 1:15 a.m. (c) 11:15 p.m.
22. 22.How many hours are there from 10:00 to 23:00?
23. 23.A match starts at 10:10 and lasts 2 hours 50 minutes. At what time does it end? (a) 12:00 (b) 13:00 (c) 14:00
24. 24.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 06:05
25. 25.A train leaves at 11:00 and reaches at 13:50. How long is the journey (in minutes)?
26. 26.What is 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
27. 27.How many hours are there from 08:00 to 16:00?
28. 28.A match starts at 15:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:45 (b) 20:45 (c) 18:45
29. 29.What is 05:20 in 12-hour time? (a) 5:20 p.m. (b) 7:20 a.m. (c) 5:20 a.m.
30. 30.A train leaves at 17:20 and reaches at 19:30. How long is the journey (in minutes)?
31. 31.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 09:10 (c) 19:10
32. 32.A film is 2 hours 35 minutes long. How many minutes is that?
33. 33.Write 6:20 a.m. in 24-hour time. (a) 08:20 (b) 18:20 (c) 06:20
34. 34.What is 06:35 in 12-hour time? (a) 6:35 a.m. (b) 6:35 p.m. (c) 8:35 a.m.
35. 35.A train leaves at 10:05 and reaches at 12:50. How long is the journey (in minutes)?
36. 36.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 p.m. (c) 11:45 a.m.
37. 37.A match starts at 08:25 and lasts 2 hours 35 minutes. At what time does it end? (a) 10:00 (b) 11:00 (c) 12:00
38. 38.A film is 4 hours 50 minutes long. How many minutes is that?
39. 39.Write 5:55 p.m. in 24-hour time. (a) 05:55 (b) 17:55 (c) 19:55
40. 40.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 08:55 (c) 06:55

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