Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 572 · 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 2:00 p.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 16:00
2. 2.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 2:00 a.m. (c) 4:00 a.m.
3. 3.A train leaves at 13:20 and reaches at 14:20. How long is the journey (in minutes)?
4. 4.A match starts at 16:45 and lasts 2 hours 35 minutes. At what time does it end? (a) 20:20 (b) 18:20 (c) 19:20
5. 5.What is 19:20 in 12-hour time? (a) 7:20 a.m. (b) 9:20 p.m. (c) 7:20 p.m.
6. 6.A film is 1 hour 10 minutes long. How many minutes is that?
7. 7.A film is 4 hours 20 minutes long. How many minutes is that?
8. 8.A match starts at 13:45 and lasts 4 hours 55 minutes. At what time does it end? (a) 17:40 (b) 18:40 (c) 19:40
9. 9.How many hours are there from 07:00 to 17:00?
10. 10.Write 10:40 a.m. in 24-hour time. (a) 12:40 (b) 10:40 (c) 22:40
11. 11.Write 4:30 p.m. in 24-hour time. (a) 04:30 (b) 16:30 (c) 18:30
12. 12.A train leaves at 13:35 and reaches at 16:50. How long is the journey (in minutes)?
13. 13.Write 6:30 p.m. in 24-hour time. (a) 18:30 (b) 06:30 (c) 20:30
14. 14.Write 11:25 a.m. in 24-hour time. (a) 23:25 (b) 13:25 (c) 11:25
15. 15.How many hours are there from 07:00 to 10:00?
16. 16.What is 09:05 in 12-hour time? (a) 9:05 a.m. (b) 9:05 p.m. (c) 11:05 a.m.
17. 17.A train leaves at 14:30 and reaches at 17:20. How long is the journey (in minutes)?
18. 18.A train leaves at 19:55 and reaches at 23:00. How long is the journey (in minutes)?
19. 19.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 04:50 (c) 16:50
20. 20.Write 6:40 a.m. in 24-hour time. (a) 08:40 (b) 18:40 (c) 06:40
21. 21.A match starts at 14:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 15:20 (b) 17:20 (c) 16:20
22. 22.Write 3:20 a.m. in 24-hour time. (a) 03:20 (b) 05:20 (c) 15:20
23. 23.A train leaves at 17:05 and reaches at 17:35. How long is the journey (in minutes)?
24. 24.A match starts at 10:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:10 (b) 13:10 (c) 14:10
25. 25.How many hours are there from 06:00 to 09:00?
26. 26.Write 9:45 p.m. in 24-hour time. (a) 23:45 (b) 09:45 (c) 21:45
27. 27.Write 2:55 p.m. in 24-hour time. (a) 14:55 (b) 02:55 (c) 16:55
28. 28.How many hours are there from 11:00 to 17:00?
29. 29.Write 11:10 p.m. in 24-hour time. (a) 01:10 (b) 11:10 (c) 23:10
30. 30.A match starts at 13:30 and lasts 3 hours 35 minutes. At what time does it end? (a) 18:05 (b) 17:05 (c) 16:05
31. 31.A film is 2 hours 15 minutes long. How many minutes is that?
32. 32.Write 11:30 a.m. in 24-hour time. (a) 23:30 (b) 13:30 (c) 11:30
33. 33.A train leaves at 15:45 and reaches at 18:30. How long is the journey (in minutes)?
34. 34.A train leaves at 16:55 and reaches at 20:05. How long is the journey (in minutes)?
35. 35.Write 4:40 a.m. in 24-hour time. (a) 06:40 (b) 16:40 (c) 04:40
36. 36.How many hours are there from 11:00 to 13:00?
37. 37.Write 10:05 a.m. in 24-hour time. (a) 22:05 (b) 10:05 (c) 12:05
38. 38.What is 02:15 in 12-hour time? (a) 2:15 a.m. (b) 2:15 p.m. (c) 4:15 a.m.
39. 39.A match starts at 17:30 and lasts 3 hours 15 minutes. At what time does it end? (a) 19:45 (b) 20:45 (c) 21:45
40. 40.What is 23:20 in 12-hour time? (a) 11:20 a.m. (b) 11:20 p.m. (c) 1:20 p.m.

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