Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 192 · 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.Write 9:45 a.m. in 24-hour time. (a) 11:45 (b) 09:45 (c) 21:45
2. 2.A match starts at 13:30 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:25 (b) 16:25 (c) 17:25
3. 3.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 06:40 (c) 16:40
4. 4.A train leaves at 13:00 and reaches at 14:05. How long is the journey (in minutes)?
5. 5.What is 23:45 in 12-hour time? (a) 11:45 p.m. (b) 11:45 a.m. (c) 1:45 p.m.
6. 6.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 p.m.
7. 7.How many hours are there from 05:00 to 07:00?
8. 8.Write 2:10 a.m. in 24-hour time. (a) 04:10 (b) 02:10 (c) 14:10
9. 9.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 04:05 (c) 18:05
10. 10.A film is 2 hours 45 minutes long. How many minutes is that?
11. 11.A film is 1 hour 10 minutes long. How many minutes is that?
12. 12.Write 8:10 p.m. in 24-hour time. (a) 20:10 (b) 22:10 (c) 08:10
13. 13.A match starts at 13:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
14. 14.A train leaves at 09:50 and reaches at 11:30. How long is the journey (in minutes)?
15. 15.A film is 3 hours 5 minutes long. How many minutes is that?
16. 16.A match starts at 07:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 11:30 (b) 10:30 (c) 09:30
17. 17.A train leaves at 12:50 and reaches at 15:15. How long is the journey (in minutes)?
18. 18.Write 10:45 a.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 12:45
19. 19.How many hours are there from 08:00 to 15:00?
20. 20.A match starts at 16:55 and lasts 2 hours 20 minutes. At what time does it end? (a) 19:15 (b) 18:15 (c) 20:15
21. 21.A train leaves at 08:20 and reaches at 10:00. How long is the journey (in minutes)?
22. 22.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
23. 23.How many hours are there from 05:00 to 12:00?
24. 24.A match starts at 13:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 16:40 (b) 15:40 (c) 14:40
25. 25.What is 11:10 in 12-hour time? (a) 11:10 a.m. (b) 1:10 a.m. (c) 11:10 p.m.
26. 26.A film is 3 hours 55 minutes long. How many minutes is that?
27. 27.A match starts at 09:15 and lasts 4 hours 30 minutes. At what time does it end? (a) 12:45 (b) 14:45 (c) 13:45
28. 28.A train leaves at 14:05 and reaches at 17:25. How long is the journey (in minutes)?
29. 29.A train leaves at 11:00 and reaches at 12:40. How long is the journey (in minutes)?
30. 30.How many hours are there from 12:00 to 19:00?
31. 31.How many hours are there from 08:00 to 17:00?
32. 32.How many hours are there from 11:00 to 19:00?
33. 33.What is 15:50 in 12-hour time? (a) 3:50 a.m. (b) 5:50 p.m. (c) 3:50 p.m.
34. 34.A train leaves at 06:40 and reaches at 07:25. How long is the journey (in minutes)?
35. 35.What is 20:35 in 12-hour time? (a) 8:35 p.m. (b) 8:35 a.m. (c) 10:35 p.m.
36. 36.A film is 3 hours 45 minutes long. How many minutes is that?
37. 37.A match starts at 15:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 19:45 (b) 17:45 (c) 18:45
38. 38.Write 8:35 a.m. in 24-hour time. (a) 20:35 (b) 10:35 (c) 08:35
39. 39.Write 1:30 p.m. in 24-hour time. (a) 01:30 (b) 13:30 (c) 15:30
40. 40.A train leaves at 08:55 and reaches at 10:50. How long is the journey (in minutes)?

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