Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 602 · 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 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 p.m. (c) 4:05 a.m.
2. 2.How many hours are there from 12:00 to 15:00?
3. 3.What is 14:25 in 12-hour time? (a) 2:25 p.m. (b) 4:25 p.m. (c) 2:25 a.m.
4. 4.What is 18:15 in 12-hour time? (a) 6:15 a.m. (b) 6:15 p.m. (c) 8:15 p.m.
5. 5.A train leaves at 08:15 and reaches at 09:35. How long is the journey (in minutes)?
6. 6.How many hours are there from 11:00 to 21:00?
7. 7.What is 17:40 in 12-hour time? (a) 5:40 p.m. (b) 5:40 a.m. (c) 7:40 p.m.
8. 8.How many hours are there from 06:00 to 21:00?
9. 9.What is 05:55 in 12-hour time? (a) 7:55 a.m. (b) 5:55 a.m. (c) 5:55 p.m.
10. 10.How many hours are there from 07:00 to 23:00?
11. 11.A match starts at 17:15 and lasts 3 hours. At what time does it end? (a) 20:15 (b) 19:15 (c) 21:15
12. 12.A train leaves at 15:10 and reaches at 17:45. How long is the journey (in minutes)?
13. 13.A train leaves at 11:10 and reaches at 11:45. How long is the journey (in minutes)?
14. 14.A train leaves at 14:20 and reaches at 17:40. How long is the journey (in minutes)?
15. 15.Write 5:55 a.m. in 24-hour time. (a) 05:55 (b) 17:55 (c) 07:55
16. 16.What is 08:35 in 12-hour time? (a) 8:35 a.m. (b) 8:35 p.m. (c) 10:35 a.m.
17. 17.What is 08:50 in 12-hour time? (a) 8:50 a.m. (b) 10:50 a.m. (c) 8:50 p.m.
18. 18.A train leaves at 06:20 and reaches at 07:40. How long is the journey (in minutes)?
19. 19.A train leaves at 06:50 and reaches at 08:45. How long is the journey (in minutes)?
20. 20.A train leaves at 10:05 and reaches at 10:40. How long is the journey (in minutes)?
21. 21.How many hours are there from 08:00 to 17:00?
22. 22.A film is 4 hours 25 minutes long. How many minutes is that?
23. 23.Write 3:05 p.m. in 24-hour time. (a) 15:05 (b) 17:05 (c) 03:05
24. 24.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 06:05 (c) 04:05
25. 25.A match starts at 11:30 and lasts 2 hours 35 minutes. At what time does it end? (a) 15:05 (b) 13:05 (c) 14:05
26. 26.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 10:15 p.m. (c) 12:15 a.m.
27. 27.What is 06:10 in 12-hour time? (a) 6:10 a.m. (b) 8:10 a.m. (c) 6:10 p.m.
28. 28.What is 16:45 in 12-hour time? (a) 6:45 p.m. (b) 4:45 p.m. (c) 4:45 a.m.
29. 29.A match starts at 14:55 and lasts 1 hour 35 minutes. At what time does it end? (a) 17:30 (b) 16:30 (c) 15:30
30. 30.A match starts at 09:20 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:30 (b) 11:30 (c) 09:30
31. 31.Write 5:20 a.m. in 24-hour time. (a) 05:20 (b) 07:20 (c) 17:20
32. 32.A film is 3 hours 5 minutes long. How many minutes is that?
33. 33.A train leaves at 18:25 and reaches at 19:45. How long is the journey (in minutes)?
34. 34.A match starts at 10:15 and lasts 4 hours 45 minutes. At what time does it end? (a) 15:00 (b) 14:00 (c) 16:00
35. 35.A train leaves at 08:05 and reaches at 11:25. How long is the journey (in minutes)?
36. 36.A train leaves at 18:25 and reaches at 21:25. How long is the journey (in minutes)?
37. 37.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
38. 38.A train leaves at 08:35 and reaches at 10:05. How long is the journey (in minutes)?
39. 39.Write 3:20 p.m. in 24-hour time. (a) 03:20 (b) 17:20 (c) 15:20
40. 40.Write 5:10 p.m. in 24-hour time. (a) 19:10 (b) 17:10 (c) 05:10

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