Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 185 · 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 03:50 in 12-hour time? (a) 5:50 a.m. (b) 3:50 p.m. (c) 3:50 a.m.
2. 2.What is 11:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 a.m. (c) 11:35 p.m.
3. 3.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 17:15
4. 4.How many hours are there from 09:00 to 23:00?
5. 5.A train leaves at 06:10 and reaches at 06:50. How long is the journey (in minutes)?
6. 6.Write 7:35 p.m. in 24-hour time. (a) 21:35 (b) 19:35 (c) 07:35
7. 7.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 3:00 p.m. (c) 5:00 p.m.
8. 8.Write 2:55 a.m. in 24-hour time. (a) 04:55 (b) 14:55 (c) 02:55
9. 9.How many hours are there from 06:00 to 21:00?
10. 10.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 11:00 (c) 23:00
11. 11.How many hours are there from 08:00 to 10:00?
12. 12.Write 7:55 p.m. in 24-hour time. (a) 21:55 (b) 07:55 (c) 19:55
13. 13.What is 09:00 in 12-hour time? (a) 9:00 a.m. (b) 9:00 p.m. (c) 11:00 a.m.
14. 14.A match starts at 09:55 and lasts 4 hours 25 minutes. At what time does it end? (a) 13:20 (b) 14:20 (c) 15:20
15. 15.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 11:05 (c) 23:05
16. 16.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 05:05 (c) 17:05
17. 17.How many hours are there from 12:00 to 20:00?
18. 18.How many hours are there from 08:00 to 13:00?
19. 19.Write 4:05 a.m. in 24-hour time. (a) 06:05 (b) 16:05 (c) 04:05
20. 20.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 a.m. (c) 10:45 p.m.
21. 21.A match starts at 14:40 and lasts 1 hour. At what time does it end? (a) 16:40 (b) 15:40 (c) 14:40
22. 22.How many hours are there from 05:00 to 18:00?
23. 23.Write 9:30 p.m. in 24-hour time. (a) 21:30 (b) 09:30 (c) 23:30
24. 24.Write 6:00 a.m. in 24-hour time. (a) 06:00 (b) 08:00 (c) 18:00
25. 25.What is 11:15 in 12-hour time? (a) 11:15 a.m. (b) 1:15 a.m. (c) 11:15 p.m.
26. 26.A train leaves at 06:05 and reaches at 08:00. How long is the journey (in minutes)?
27. 27.Write 9:00 a.m. in 24-hour time. (a) 21:00 (b) 09:00 (c) 11:00
28. 28.A match starts at 08:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 11:20 (b) 09:20 (c) 10:20
29. 29.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
30. 30.A film is 4 hours 15 minutes long. How many minutes is that?
31. 31.How many hours are there from 07:00 to 20:00?
32. 32.Write 5:20 p.m. in 24-hour time. (a) 19:20 (b) 05:20 (c) 17:20
33. 33.A train leaves at 12:55 and reaches at 14:40. How long is the journey (in minutes)?
34. 34.How many hours are there from 06:00 to 12:00?
35. 35.A match starts at 10:50 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:55 (b) 12:55 (c) 11:55
36. 36.A train leaves at 09:35 and reaches at 10:50. How long is the journey (in minutes)?
37. 37.A match starts at 12:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 15:05
38. 38.A train leaves at 06:20 and reaches at 09:15. How long is the journey (in minutes)?
39. 39.A match starts at 17:25 and lasts 1 hour 35 minutes. At what time does it end? (a) 20:00 (b) 19:00 (c) 18:00
40. 40.A match starts at 10:50 and lasts 4 hours 55 minutes. At what time does it end? (a) 14:45 (b) 16:45 (c) 15:45

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