Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 251 · 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 23:00?
2. 2.A match starts at 18:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 22:45 (b) 21:45 (c) 23:45
3. 3.A match starts at 11:15 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:45 (b) 12:45 (c) 13:45
4. 4.What is 01:50 in 12-hour time? (a) 1:50 p.m. (b) 3:50 a.m. (c) 1:50 a.m.
5. 5.How many hours are there from 07:00 to 18:00?
6. 6.A train leaves at 15:35 and reaches at 16:25. How long is the journey (in minutes)?
7. 7.Write 6:45 a.m. in 24-hour time. (a) 08:45 (b) 06:45 (c) 18:45
8. 8.Write 7:10 a.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 09:10
9. 9.What is 18:05 in 12-hour time? (a) 8:05 p.m. (b) 6:05 p.m. (c) 6:05 a.m.
10. 10.How many hours are there from 08:00 to 22:00?
11. 11.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 02:05 (c) 14:05
12. 12.What is 07:05 in 12-hour time? (a) 7:05 p.m. (b) 9:05 a.m. (c) 7:05 a.m.
13. 13.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
14. 14.What is 23:35 in 12-hour time? (a) 11:35 p.m. (b) 11:35 a.m. (c) 1:35 p.m.
15. 15.A match starts at 06:00 and lasts 1 hour 40 minutes. At what time does it end? (a) 08:40 (b) 06:40 (c) 07:40
16. 16.A train leaves at 10:35 and reaches at 12:20. How long is the journey (in minutes)?
17. 17.A train leaves at 08:55 and reaches at 10:25. How long is the journey (in minutes)?
18. 18.A train leaves at 17:30 and reaches at 20:15. How long is the journey (in minutes)?
19. 19.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 20:00 (c) 22:00
20. 20.Write 2:20 p.m. in 24-hour time. (a) 14:20 (b) 02:20 (c) 16:20
21. 21.Write 10:10 a.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 12:10
22. 22.A match starts at 14:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
23. 23.A film is 1 hour 40 minutes long. How many minutes is that?
24. 24.A match starts at 06:25 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:00 (b) 08:00 (c) 07:00
25. 25.How many hours are there from 05:00 to 17:00?
26. 26.A train leaves at 08:30 and reaches at 10:50. How long is the journey (in minutes)?
27. 27.A train leaves at 06:50 and reaches at 07:20. How long is the journey (in minutes)?
28. 28.Write 8:05 p.m. in 24-hour time. (a) 22:05 (b) 20:05 (c) 08:05
29. 29.What is 13:50 in 12-hour time? (a) 3:50 p.m. (b) 1:50 p.m. (c) 1:50 a.m.
30. 30.How many hours are there from 06:00 to 11:00?
31. 31.How many hours are there from 09:00 to 19:00?
32. 32.A train leaves at 13:55 and reaches at 16:30. How long is the journey (in minutes)?
33. 33.What is 03:40 in 12-hour time? (a) 3:40 a.m. (b) 3:40 p.m. (c) 5:40 a.m.
34. 34.Write 2:35 p.m. in 24-hour time. (a) 02:35 (b) 14:35 (c) 16:35
35. 35.A train leaves at 14:55 and reaches at 16:20. How long is the journey (in minutes)?
36. 36.Write 6:15 p.m. in 24-hour time. (a) 18:15 (b) 06:15 (c) 20:15
37. 37.A film is 2 hours 55 minutes long. How many minutes is that?
38. 38.What is 16:25 in 12-hour time? (a) 4:25 p.m. (b) 6:25 p.m. (c) 4:25 a.m.
39. 39.How many hours are there from 12:00 to 19:00?
40. 40.How many hours are there from 05:00 to 09:00?

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