Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 912 · 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 match starts at 11:25 and lasts 2 hours. At what time does it end? (a) 14:25 (b) 12:25 (c) 13:25
2. 2.Write 7:45 a.m. in 24-hour time. (a) 09:45 (b) 19:45 (c) 07:45
3. 3.What is 17:50 in 12-hour time? (a) 7:50 p.m. (b) 5:50 a.m. (c) 5:50 p.m.
4. 4.A train leaves at 07:20 and reaches at 09:00. How long is the journey (in minutes)?
5. 5.How many hours are there from 06:00 to 10:00?
6. 6.A match starts at 14:10 and lasts 3 hours 45 minutes. At what time does it end? (a) 16:55 (b) 18:55 (c) 17:55
7. 7.How many hours are there from 11:00 to 13:00?
8. 8.A film is 4 hours 25 minutes long. How many minutes is that?
9. 9.What is 03:55 in 12-hour time? (a) 5:55 a.m. (b) 3:55 p.m. (c) 3:55 a.m.
10. 10.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 13:45 (c) 11:45
11. 11.What is 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
12. 12.A train leaves at 08:00 and reaches at 09:35. How long is the journey (in minutes)?
13. 13.A train leaves at 10:15 and reaches at 12:30. How long is the journey (in minutes)?
14. 14.A match starts at 06:20 and lasts 4 hours 55 minutes. At what time does it end? (a) 11:15 (b) 10:15 (c) 12:15
15. 15.What is 10:35 in 12-hour time? (a) 10:35 a.m. (b) 12:35 a.m. (c) 10:35 p.m.
16. 16.How many hours are there from 06:00 to 09:00?
17. 17.Write 9:25 a.m. in 24-hour time. (a) 21:25 (b) 11:25 (c) 09:25
18. 18.A match starts at 18:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 21:05 (b) 20:05 (c) 22:05
19. 19.A film is 1 hour 10 minutes long. How many minutes is that?
20. 20.A train leaves at 13:20 and reaches at 14:10. How long is the journey (in minutes)?
21. 21.A train leaves at 18:15 and reaches at 19:05. How long is the journey (in minutes)?
22. 22.What is 13:40 in 12-hour time? (a) 1:40 p.m. (b) 3:40 p.m. (c) 1:40 a.m.
23. 23.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 02:00 (c) 14:00
24. 24.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 16:05
25. 25.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
26. 26.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 04:40 (c) 06:40
27. 27.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 8:45 a.m. (c) 6:45 a.m.
28. 28.A match starts at 08:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 12:45 (b) 10:45 (c) 11:45
29. 29.A match starts at 17:05 and lasts 1 hour. At what time does it end? (a) 19:05 (b) 17:05 (c) 18:05
30. 30.How many hours are there from 10:00 to 14:00?
31. 31.A train leaves at 08:15 and reaches at 09:15. How long is the journey (in minutes)?
32. 32.How many hours are there from 07:00 to 22:00?
33. 33.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 3:15 p.m. (c) 1:15 a.m.
34. 34.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
35. 35.A train leaves at 07:15 and reaches at 08:45. How long is the journey (in minutes)?
36. 36.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 01:45 (c) 03:45
37. 37.A match starts at 18:00 and lasts 1 hour 50 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
38. 38.A train leaves at 17:40 and reaches at 18:45. How long is the journey (in minutes)?
39. 39.How many hours are there from 07:00 to 21:00?
40. 40.Write 1:20 p.m. in 24-hour time. (a) 01:20 (b) 15:20 (c) 13:20

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