Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 270 · 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.A train leaves at 08:30 and reaches at 10:50. How long is the journey (in minutes)?
2. 2.A match starts at 07:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 11:05 (b) 12:05 (c) 13:05
3. 3.Write 8:10 p.m. in 24-hour time. (a) 20:10 (b) 22:10 (c) 08:10
4. 4.A train leaves at 08:05 and reaches at 09:45. How long is the journey (in minutes)?
5. 5.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
6. 6.How many hours are there from 09:00 to 20:00?
7. 7.What is 20:10 in 12-hour time? (a) 8:10 p.m. (b) 8:10 a.m. (c) 10:10 p.m.
8. 8.How many hours are there from 12:00 to 17:00?
9. 9.Write 11:50 a.m. in 24-hour time. (a) 23:50 (b) 13:50 (c) 11:50
10. 10.How many hours are there from 07:00 to 13:00?
11. 11.Write 4:20 a.m. in 24-hour time. (a) 06:20 (b) 04:20 (c) 16:20
12. 12.Write 4:25 a.m. in 24-hour time. (a) 06:25 (b) 04:25 (c) 16:25
13. 13.A match starts at 09:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:05 (b) 10:05 (c) 11:05
14. 14.A match starts at 08:20 and lasts 2 hours 35 minutes. At what time does it end? (a) 09:55 (b) 11:55 (c) 10:55
15. 15.Write 1:35 p.m. in 24-hour time. (a) 01:35 (b) 13:35 (c) 15:35
16. 16.Write 6:15 a.m. in 24-hour time. (a) 06:15 (b) 08:15 (c) 18:15
17. 17.Write 4:15 p.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 18:15
18. 18.A film is 1 hour 55 minutes long. How many minutes is that?
19. 19.Write 2:35 a.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 04:35
20. 20.A train leaves at 15:40 and reaches at 17:00. How long is the journey (in minutes)?
21. 21.How many hours are there from 12:00 to 16:00?
22. 22.A train leaves at 07:05 and reaches at 07:40. How long is the journey (in minutes)?
23. 23.A train leaves at 14:30 and reaches at 17:35. How long is the journey (in minutes)?
24. 24.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 p.m. (c) 2:55 a.m.
25. 25.How many hours are there from 06:00 to 22:00?
26. 26.What is 20:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 p.m.
27. 27.What is 11:55 in 12-hour time? (a) 1:55 a.m. (b) 11:55 a.m. (c) 11:55 p.m.
28. 28.A train leaves at 10:55 and reaches at 13:10. How long is the journey (in minutes)?
29. 29.A film is 4 hours 10 minutes long. How many minutes is that?
30. 30.How many hours are there from 10:00 to 12:00?
31. 31.A match starts at 13:30 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
32. 32.A match starts at 09:10 and lasts 3 hours 20 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 13:30
33. 33.A train leaves at 07:05 and reaches at 09:50. How long is the journey (in minutes)?
34. 34.How many hours are there from 11:00 to 20:00?
35. 35.A film is 4 hours 45 minutes long. How many minutes is that?
36. 36.A film is 4 hours 5 minutes long. How many minutes is that?
37. 37.How many hours are there from 08:00 to 20:00?
38. 38.What is 23:25 in 12-hour time? (a) 11:25 p.m. (b) 11:25 a.m. (c) 1:25 p.m.
39. 39.A match starts at 18:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 20:25 (b) 19:25 (c) 18:25
40. 40.What is 14:30 in 12-hour time? (a) 4:30 p.m. (b) 2:30 p.m. (c) 2:30 a.m.

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