Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 703 · 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.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 17:15
2. 2.Write 11:35 p.m. in 24-hour time. (a) 11:35 (b) 23:35 (c) 01:35
3. 3.A train leaves at 10:40 and reaches at 12:10. How long is the journey (in minutes)?
4. 4.How many hours are there from 12:00 to 21:00?
5. 5.What is 10:40 in 12-hour time? (a) 12:40 a.m. (b) 10:40 a.m. (c) 10:40 p.m.
6. 6.Write 1:05 p.m. in 24-hour time. (a) 13:05 (b) 15:05 (c) 01:05
7. 7.What is 04:55 in 12-hour time? (a) 4:55 a.m. (b) 4:55 p.m. (c) 6:55 a.m.
8. 8.A match starts at 12:25 and lasts 4 hours 25 minutes. At what time does it end? (a) 15:50 (b) 17:50 (c) 16:50
9. 9.Write 4:15 a.m. in 24-hour time. (a) 06:15 (b) 16:15 (c) 04:15
10. 10.A film is 1 hour 50 minutes long. How many minutes is that?
11. 11.A train leaves at 16:40 and reaches at 19:35. How long is the journey (in minutes)?
12. 12.A match starts at 07:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 11:05 (b) 12:05 (c) 13:05
13. 13.How many hours are there from 05:00 to 09:00?
14. 14.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 1:55 p.m. (c) 3:55 p.m.
15. 15.A train leaves at 15:55 and reaches at 18:15. How long is the journey (in minutes)?
16. 16.A match starts at 12:20 and lasts 3 hours 10 minutes. At what time does it end? (a) 16:30 (b) 14:30 (c) 15:30
17. 17.Write 8:15 p.m. in 24-hour time. (a) 22:15 (b) 20:15 (c) 08:15
18. 18.A film is 4 hours 35 minutes long. How many minutes is that?
19. 19.A train leaves at 06:25 and reaches at 09:30. How long is the journey (in minutes)?
20. 20.How many hours are there from 11:00 to 20:00?
21. 21.Write 7:15 p.m. in 24-hour time. (a) 07:15 (b) 21:15 (c) 19:15
22. 22.What is 08:10 in 12-hour time? (a) 8:10 p.m. (b) 8:10 a.m. (c) 10:10 a.m.
23. 23.A train leaves at 17:45 and reaches at 19:45. How long is the journey (in minutes)?
24. 24.What is 07:55 in 12-hour time? (a) 9:55 a.m. (b) 7:55 a.m. (c) 7:55 p.m.
25. 25.How many hours are there from 08:00 to 15:00?
26. 26.How many hours are there from 08:00 to 13:00?
27. 27.A film is 1 hour 35 minutes long. How many minutes is that?
28. 28.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 p.m. (c) 6:30 a.m.
29. 29.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
30. 30.How many hours are there from 05:00 to 14:00?
31. 31.What is 03:05 in 12-hour time? (a) 3:05 a.m. (b) 3:05 p.m. (c) 5:05 a.m.
32. 32.How many hours are there from 09:00 to 14:00?
33. 33.Write 9:50 p.m. in 24-hour time. (a) 09:50 (b) 21:50 (c) 23:50
34. 34.A train leaves at 10:10 and reaches at 10:50. How long is the journey (in minutes)?
35. 35.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 6:25 p.m. (c) 4:25 p.m.
36. 36.What is 14:20 in 12-hour time? (a) 4:20 p.m. (b) 2:20 a.m. (c) 2:20 p.m.
37. 37.A match starts at 15:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 20:05 (b) 19:05 (c) 18:05
38. 38.What is 11:40 in 12-hour time? (a) 1:40 a.m. (b) 11:40 p.m. (c) 11:40 a.m.
39. 39.How many hours are there from 11:00 to 15:00?
40. 40.A train leaves at 13:50 and reaches at 15:45. How long is the journey (in minutes)?

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