Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 141 · 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 film is 1 hour 5 minutes long. How many minutes is that?
2. 2.A match starts at 13:30 and lasts 1 hour 45 minutes. At what time does it end? (a) 14:15 (b) 16:15 (c) 15:15
3. 3.A train leaves at 19:20 and reaches at 21:45. How long is the journey (in minutes)?
4. 4.What is 16:15 in 12-hour time? (a) 4:15 a.m. (b) 6:15 p.m. (c) 4:15 p.m.
5. 5.What is 23:15 in 12-hour time? (a) 1:15 p.m. (b) 11:15 a.m. (c) 11:15 p.m.
6. 6.How many hours are there from 06:00 to 13:00?
7. 7.A match starts at 10:30 and lasts 3 hours 20 minutes. At what time does it end? (a) 13:50 (b) 14:50 (c) 12:50
8. 8.Write 5:10 a.m. in 24-hour time. (a) 17:10 (b) 07:10 (c) 05:10
9. 9.What is 11:00 in 12-hour time? (a) 11:00 a.m. (b) 11:00 p.m. (c) 1:00 a.m.
10. 10.What is 05:25 in 12-hour time? (a) 5:25 a.m. (b) 5:25 p.m. (c) 7:25 a.m.
11. 11.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 17:25 (c) 07:25
12. 12.Write 7:05 a.m. in 24-hour time. (a) 07:05 (b) 19:05 (c) 09:05
13. 13.A match starts at 09:05 and lasts 4 hours 5 minutes. At what time does it end? (a) 14:10 (b) 12:10 (c) 13:10
14. 14.What is 16:25 in 12-hour time? (a) 4:25 a.m. (b) 4:25 p.m. (c) 6:25 p.m.
15. 15.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 4:35 p.m. (c) 6:35 p.m.
16. 16.A film is 3 hours 40 minutes long. How many minutes is that?
17. 17.How many hours are there from 10:00 to 13:00?
18. 18.A train leaves at 16:15 and reaches at 17:30. How long is the journey (in minutes)?
19. 19.A train leaves at 14:05 and reaches at 17:10. How long is the journey (in minutes)?
20. 20.What is 07:30 in 12-hour time? (a) 9:30 a.m. (b) 7:30 p.m. (c) 7:30 a.m.
21. 21.A match starts at 12:00 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:10 (b) 17:10 (c) 16:10
22. 22.Write 10:10 a.m. in 24-hour time. (a) 10:10 (b) 12:10 (c) 22:10
23. 23.What is 10:30 in 12-hour time? (a) 12:30 a.m. (b) 10:30 a.m. (c) 10:30 p.m.
24. 24.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 4:25 a.m. (c) 2:25 p.m.
25. 25.Write 1:20 a.m. in 24-hour time. (a) 01:20 (b) 13:20 (c) 03:20
26. 26.A match starts at 11:35 and lasts 2 hours 10 minutes. At what time does it end? (a) 13:45 (b) 12:45 (c) 14:45
27. 27.A match starts at 10:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:05 (b) 14:05 (c) 15:05
28. 28.How many hours are there from 10:00 to 12:00?
29. 29.A train leaves at 10:45 and reaches at 13:00. How long is the journey (in minutes)?
30. 30.How many hours are there from 08:00 to 23:00?
31. 31.Write 11:15 a.m. in 24-hour time. (a) 23:15 (b) 13:15 (c) 11:15
32. 32.How many hours are there from 12:00 to 22:00?
33. 33.A match starts at 17:40 and lasts 2 hours 50 minutes. At what time does it end? (a) 19:30 (b) 20:30 (c) 21:30
34. 34.A train leaves at 13:25 and reaches at 14:45. How long is the journey (in minutes)?
35. 35.A train leaves at 12:35 and reaches at 15:30. How long is the journey (in minutes)?
36. 36.Write 9:05 a.m. in 24-hour time. (a) 21:05 (b) 11:05 (c) 09:05
37. 37.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 10:25 a.m. (c) 12:25 a.m.
38. 38.A train leaves at 06:20 and reaches at 08:35. How long is the journey (in minutes)?
39. 39.A film is 2 hours 15 minutes long. How many minutes is that?
40. 40.A train leaves at 15:30 and reaches at 17:45. How long is the journey (in minutes)?

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