Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 72 · 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 06:00 to 10:00?
2. 2.A train leaves at 09:50 and reaches at 12:30. How long is the journey (in minutes)?
3. 3.What is 09:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 a.m. (c) 9:40 p.m.
4. 4.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 3:45 a.m. (c) 1:45 a.m.
5. 5.What is 13:10 in 12-hour time? (a) 1:10 a.m. (b) 3:10 p.m. (c) 1:10 p.m.
6. 6.A train leaves at 07:10 and reaches at 08:50. How long is the journey (in minutes)?
7. 7.A match starts at 11:15 and lasts 2 hours. At what time does it end? (a) 12:15 (b) 13:15 (c) 14:15
8. 8.A film is 4 hours 10 minutes long. How many minutes is that?
9. 9.What is 19:40 in 12-hour time? (a) 7:40 p.m. (b) 9:40 p.m. (c) 7:40 a.m.
10. 10.A match starts at 12:40 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:35 (b) 16:35 (c) 14:35
11. 11.A train leaves at 09:35 and reaches at 10:10. How long is the journey (in minutes)?
12. 12.A match starts at 16:45 and lasts 2 hours 40 minutes. At what time does it end? (a) 19:25 (b) 20:25 (c) 18:25
13. 13.How many hours are there from 10:00 to 12:00?
14. 14.A train leaves at 11:25 and reaches at 13:25. How long is the journey (in minutes)?
15. 15.A film is 2 hours 20 minutes long. How many minutes is that?
16. 16.A train leaves at 17:15 and reaches at 19:15. How long is the journey (in minutes)?
17. 17.A film is 3 hours 20 minutes long. How many minutes is that?
18. 18.A train leaves at 09:45 and reaches at 13:05. How long is the journey (in minutes)?
19. 19.A train leaves at 11:10 and reaches at 13:10. How long is the journey (in minutes)?
20. 20.What is 10:45 in 12-hour time? (a) 10:45 a.m. (b) 12:45 a.m. (c) 10:45 p.m.
21. 21.Write 10:05 p.m. in 24-hour time. (a) 22:05 (b) 00:05 (c) 10:05
22. 22.A match starts at 13:30 and lasts 1 hour 35 minutes. At what time does it end? (a) 14:05 (b) 16:05 (c) 15:05
23. 23.A match starts at 17:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 18:20 (b) 19:20 (c) 20:20
24. 24.Write 1:35 p.m. in 24-hour time. (a) 01:35 (b) 13:35 (c) 15:35
25. 25.A match starts at 15:50 and lasts 4 hours. At what time does it end? (a) 20:50 (b) 19:50 (c) 18:50
26. 26.A match starts at 18:10 and lasts 1 hour 50 minutes. At what time does it end? (a) 19:00 (b) 21:00 (c) 20:00
27. 27.A train leaves at 07:25 and reaches at 09:50. How long is the journey (in minutes)?
28. 28.Write 8:50 p.m. in 24-hour time. (a) 20:50 (b) 22:50 (c) 08:50
29. 29.What is 17:45 in 12-hour time? (a) 7:45 p.m. (b) 5:45 p.m. (c) 5:45 a.m.
30. 30.A film is 4 hours 40 minutes long. How many minutes is that?
31. 31.A train leaves at 18:35 and reaches at 20:00. How long is the journey (in minutes)?
32. 32.How many hours are there from 07:00 to 20:00?
33. 33.How many hours are there from 05:00 to 07:00?
34. 34.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 03:10 (c) 13:10
35. 35.What is 11:10 in 12-hour time? (a) 11:10 a.m. (b) 11:10 p.m. (c) 1:10 a.m.
36. 36.What is 17:35 in 12-hour time? (a) 5:35 a.m. (b) 5:35 p.m. (c) 7:35 p.m.
37. 37.A train leaves at 08:00 and reaches at 09:35. How long is the journey (in minutes)?
38. 38.How many hours are there from 08:00 to 10:00?
39. 39.A match starts at 09:15 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:45 (b) 11:45 (c) 10:45
40. 40.What is 01:35 in 12-hour time? (a) 1:35 a.m. (b) 1:35 p.m. (c) 3:35 a.m.

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