Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 160 · 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 03:35 in 12-hour time? (a) 3:35 a.m. (b) 3:35 p.m. (c) 5:35 a.m.
2. 2.How many hours are there from 11:00 to 16:00?
3. 3.Write 2:20 a.m. in 24-hour time. (a) 14:20 (b) 04:20 (c) 02:20
4. 4.A train leaves at 12:30 and reaches at 14:05. How long is the journey (in minutes)?
5. 5.Write 4:20 a.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 06:20
6. 6.What is 14:35 in 12-hour time? (a) 2:35 a.m. (b) 4:35 p.m. (c) 2:35 p.m.
7. 7.How many hours are there from 12:00 to 17:00?
8. 8.A train leaves at 11:55 and reaches at 13:10. How long is the journey (in minutes)?
9. 9.A train leaves at 19:25 and reaches at 22:00. How long is the journey (in minutes)?
10. 10.A match starts at 06:50 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:55 (b) 09:55 (c) 08:55
11. 11.What is 16:20 in 12-hour time? (a) 4:20 a.m. (b) 6:20 p.m. (c) 4:20 p.m.
12. 12.A film is 2 hours 20 minutes long. How many minutes is that?
13. 13.What is 11:40 in 12-hour time? (a) 11:40 a.m. (b) 11:40 p.m. (c) 1:40 a.m.
14. 14.A match starts at 11:20 and lasts 4 hours 30 minutes. At what time does it end? (a) 16:50 (b) 14:50 (c) 15:50
15. 15.How many hours are there from 10:00 to 20:00?
16. 16.A train leaves at 08:15 and reaches at 09:35. How long is the journey (in minutes)?
17. 17.A match starts at 08:10 and lasts 4 hours. At what time does it end? (a) 12:10 (b) 13:10 (c) 11:10
18. 18.How many hours are there from 08:00 to 18:00?
19. 19.A film is 3 hours 20 minutes long. How many minutes is that?
20. 20.What is 10:15 in 12-hour time? (a) 10:15 a.m. (b) 12:15 a.m. (c) 10:15 p.m.
21. 21.What is 14:15 in 12-hour time? (a) 4:15 p.m. (b) 2:15 p.m. (c) 2:15 a.m.
22. 22.What is 18:00 in 12-hour time? (a) 8:00 p.m. (b) 6:00 a.m. (c) 6:00 p.m.
23. 23.How many hours are there from 07:00 to 19:00?
24. 24.Write 8:35 p.m. in 24-hour time. (a) 20:35 (b) 22:35 (c) 08:35
25. 25.A film is 3 hours 45 minutes long. How many minutes is that?
26. 26.How many hours are there from 06:00 to 08:00?
27. 27.Write 5:15 a.m. in 24-hour time. (a) 07:15 (b) 17:15 (c) 05:15
28. 28.A match starts at 18:05 and lasts 1 hour 25 minutes. At what time does it end? (a) 19:30 (b) 18:30 (c) 20:30
29. 29.What is 13:15 in 12-hour time? (a) 3:15 p.m. (b) 1:15 a.m. (c) 1:15 p.m.
30. 30.Write 11:00 p.m. in 24-hour time. (a) 23:00 (b) 01:00 (c) 11:00
31. 31.How many hours are there from 10:00 to 13:00?
32. 32.A train leaves at 18:40 and reaches at 20:40. How long is the journey (in minutes)?
33. 33.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 03:10
34. 34.A match starts at 17:00 and lasts 4 hours 20 minutes. At what time does it end? (a) 21:20 (b) 22:20 (c) 20:20
35. 35.A train leaves at 17:05 and reaches at 18:15. How long is the journey (in minutes)?
36. 36.A train leaves at 08:35 and reaches at 10:15. How long is the journey (in minutes)?
37. 37.What is 11:55 in 12-hour time? (a) 11:55 p.m. (b) 11:55 a.m. (c) 1:55 a.m.
38. 38.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 7:35 p.m. (c) 5:35 a.m.
39. 39.What is 17:00 in 12-hour time? (a) 7:00 p.m. (b) 5:00 p.m. (c) 5:00 a.m.
40. 40.A train leaves at 12:00 and reaches at 14:00. How long is the journey (in minutes)?

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