Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 448 · 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 train leaves at 14:25 and reaches at 15:50. How long is the journey (in minutes)?
2. 2.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 04:30 (c) 16:30
3. 3.A match starts at 18:55 and lasts 1 hour 45 minutes. At what time does it end? (a) 21:40 (b) 19:40 (c) 20:40
4. 4.What is 01:00 in 12-hour time? (a) 3:00 a.m. (b) 1:00 p.m. (c) 1:00 a.m.
5. 5.A match starts at 18:00 and lasts 3 hours 25 minutes. At what time does it end? (a) 21:25 (b) 20:25 (c) 22:25
6. 6.A match starts at 07:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 10:20 (b) 11:20 (c) 09:20
7. 7.Write 7:20 p.m. in 24-hour time. (a) 21:20 (b) 07:20 (c) 19:20
8. 8.A match starts at 06:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 08:45 (b) 09:45 (c) 07:45
9. 9.What is 01:20 in 12-hour time? (a) 1:20 a.m. (b) 1:20 p.m. (c) 3:20 a.m.
10. 10.What is 21:55 in 12-hour time? (a) 11:55 p.m. (b) 9:55 a.m. (c) 9:55 p.m.
11. 11.A match starts at 16:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 17:00 (b) 18:00 (c) 19:00
12. 12.Write 2:05 p.m. in 24-hour time. (a) 16:05 (b) 14:05 (c) 02:05
13. 13.A match starts at 10:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:40 (b) 11:40 (c) 12:40
14. 14.What is 07:55 in 12-hour time? (a) 7:55 p.m. (b) 9:55 a.m. (c) 7:55 a.m.
15. 15.A train leaves at 12:50 and reaches at 13:20. How long is the journey (in minutes)?
16. 16.A match starts at 07:10 and lasts 3 hours 15 minutes. At what time does it end? (a) 10:25 (b) 09:25 (c) 11:25
17. 17.Write 3:25 p.m. in 24-hour time. (a) 17:25 (b) 15:25 (c) 03:25
18. 18.Write 11:30 p.m. in 24-hour time. (a) 11:30 (b) 01:30 (c) 23:30
19. 19.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 5:50 p.m. (c) 7:50 p.m.
20. 20.How many hours are there from 06:00 to 22:00?
21. 21.How many hours are there from 10:00 to 22:00?
22. 22.A match starts at 10:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 12:00 (b) 13:00 (c) 11:00
23. 23.Write 6:20 p.m. in 24-hour time. (a) 06:20 (b) 18:20 (c) 20:20
24. 24.A match starts at 07:35 and lasts 3 hours. At what time does it end? (a) 11:35 (b) 10:35 (c) 09:35
25. 25.A match starts at 11:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 15:10 (b) 14:10 (c) 13:10
26. 26.Write 5:20 a.m. in 24-hour time. (a) 17:20 (b) 05:20 (c) 07:20
27. 27.A match starts at 13:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:30 (b) 15:30 (c) 14:30
28. 28.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 05:40 (c) 03:40
29. 29.A match starts at 06:00 and lasts 4 hours 25 minutes. At what time does it end? (a) 11:25 (b) 09:25 (c) 10:25
30. 30.Write 10:30 a.m. in 24-hour time. (a) 12:30 (b) 22:30 (c) 10:30
31. 31.A film is 1 hour 45 minutes long. How many minutes is that?
32. 32.A train leaves at 08:10 and reaches at 10:50. How long is the journey (in minutes)?
33. 33.A match starts at 18:25 and lasts 2 hours 50 minutes. At what time does it end? (a) 22:15 (b) 20:15 (c) 21:15
34. 34.A match starts at 18:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 23:45 (b) 22:45 (c) 21:45
35. 35.A train leaves at 11:45 and reaches at 14:05. How long is the journey (in minutes)?
36. 36.Write 4:10 p.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 18:10
37. 37.How many hours are there from 10:00 to 23:00?
38. 38.What is 08:05 in 12-hour time? (a) 8:05 p.m. (b) 10:05 a.m. (c) 8:05 a.m.
39. 39.What is 14:50 in 12-hour time? (a) 2:50 a.m. (b) 2:50 p.m. (c) 4:50 p.m.
40. 40.What is 09:30 in 12-hour time? (a) 9:30 a.m. (b) 11:30 a.m. (c) 9:30 p.m.

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