Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 362 · 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.How many hours are there from 07:00 to 21:00?
2. 2.What is 15:50 in 12-hour time? (a) 3:50 a.m. (b) 5:50 p.m. (c) 3:50 p.m.
3. 3.A train leaves at 06:00 and reaches at 08:50. How long is the journey (in minutes)?
4. 4.Write 6:00 p.m. in 24-hour time. (a) 06:00 (b) 20:00 (c) 18:00
5. 5.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 4:45 a.m. (c) 2:45 a.m.
6. 6.How many hours are there from 06:00 to 08:00?
7. 7.What is 07:45 in 12-hour time? (a) 7:45 a.m. (b) 7:45 p.m. (c) 9:45 a.m.
8. 8.Write 7:25 a.m. in 24-hour time. (a) 09:25 (b) 07:25 (c) 19:25
9. 9.Write 11:20 p.m. in 24-hour time. (a) 23:20 (b) 01:20 (c) 11:20
10. 10.A train leaves at 12:20 and reaches at 12:45. How long is the journey (in minutes)?
11. 11.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 01:15 (c) 15:15
12. 12.A match starts at 18:25 and lasts 1 hour. At what time does it end? (a) 19:25 (b) 18:25 (c) 20:25
13. 13.A train leaves at 13:50 and reaches at 15:15. How long is the journey (in minutes)?
14. 14.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 09:15 (c) 19:15
15. 15.Write 9:55 a.m. in 24-hour time. (a) 11:55 (b) 09:55 (c) 21:55
16. 16.A train leaves at 09:10 and reaches at 09:45. How long is the journey (in minutes)?
17. 17.A match starts at 15:15 and lasts 4 hours 20 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 18:35
18. 18.A match starts at 16:20 and lasts 4 hours 5 minutes. At what time does it end? (a) 21:25 (b) 20:25 (c) 19:25
19. 19.What is 23:25 in 12-hour time? (a) 11:25 p.m. (b) 1:25 p.m. (c) 11:25 a.m.
20. 20.A match starts at 16:10 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:50 (b) 17:50 (c) 18:50
21. 21.A film is 3 hours 15 minutes long. How many minutes is that?
22. 22.A train leaves at 16:20 and reaches at 18:25. How long is the journey (in minutes)?
23. 23.How many hours are there from 09:00 to 16:00?
24. 24.A match starts at 13:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 17:55
25. 25.A film is 4 hours 15 minutes long. How many minutes is that?
26. 26.How many hours are there from 12:00 to 14:00?
27. 27.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 1:55 p.m. (c) 3:55 p.m.
28. 28.A train leaves at 13:00 and reaches at 13:25. How long is the journey (in minutes)?
29. 29.A film is 2 hours 20 minutes long. How many minutes is that?
30. 30.How many hours are there from 05:00 to 16:00?
31. 31.How many hours are there from 09:00 to 22:00?
32. 32.How many hours are there from 12:00 to 22:00?
33. 33.What is 15:55 in 12-hour time? (a) 5:55 p.m. (b) 3:55 p.m. (c) 3:55 a.m.
34. 34.What is 03:40 in 12-hour time? (a) 5:40 a.m. (b) 3:40 p.m. (c) 3:40 a.m.
35. 35.A match starts at 18:35 and lasts 2 hours 35 minutes. At what time does it end? (a) 20:10 (b) 22:10 (c) 21:10
36. 36.What is 20:05 in 12-hour time? (a) 10:05 p.m. (b) 8:05 p.m. (c) 8:05 a.m.
37. 37.What is 03:30 in 12-hour time? (a) 5:30 a.m. (b) 3:30 a.m. (c) 3:30 p.m.
38. 38.A train leaves at 11:50 and reaches at 12:15. How long is the journey (in minutes)?
39. 39.A match starts at 11:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 14:30 (b) 12:30 (c) 13:30
40. 40.A film is 2 hours 55 minutes long. How many minutes is that?

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