Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 901 · 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.What is 22:25 in 12-hour time? (a) 10:25 a.m. (b) 12:25 p.m. (c) 10:25 p.m.
2. 2.What is 18:05 in 12-hour time? (a) 6:05 a.m. (b) 6:05 p.m. (c) 8:05 p.m.
3. 3.How many hours are there from 11:00 to 13:00?
4. 4.A match starts at 18:30 and lasts 1 hour 50 minutes. At what time does it end? (a) 21:20 (b) 19:20 (c) 20:20
5. 5.A match starts at 09:40 and lasts 3 hours 40 minutes. At what time does it end? (a) 12:20 (b) 14:20 (c) 13:20
6. 6.How many hours are there from 10:00 to 21:00?
7. 7.A train leaves at 09:30 and reaches at 10:00. How long is the journey (in minutes)?
8. 8.A train leaves at 15:35 and reaches at 18:25. How long is the journey (in minutes)?
9. 9.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 12:15 (c) 22:15
10. 10.A match starts at 14:15 and lasts 1 hour 35 minutes. At what time does it end? (a) 14:50 (b) 16:50 (c) 15:50
11. 11.Write 5:40 p.m. in 24-hour time. (a) 19:40 (b) 05:40 (c) 17:40
12. 12.A train leaves at 19:10 and reaches at 20:30. How long is the journey (in minutes)?
13. 13.A train leaves at 19:15 and reaches at 20:30. How long is the journey (in minutes)?
14. 14.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 10:45 (c) 12:45
15. 15.Write 4:30 a.m. in 24-hour time. (a) 16:30 (b) 06:30 (c) 04:30
16. 16.A film is 3 hours 45 minutes long. How many minutes is that?
17. 17.A match starts at 18:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 23:15 (b) 21:15 (c) 22:15
18. 18.How many hours are there from 12:00 to 19:00?
19. 19.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 p.m. (c) 4:40 a.m.
20. 20.What is 18:00 in 12-hour time? (a) 6:00 a.m. (b) 8:00 p.m. (c) 6:00 p.m.
21. 21.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 05:40 (c) 15:40
22. 22.A train leaves at 13:40 and reaches at 14:35. How long is the journey (in minutes)?
23. 23.A train leaves at 11:00 and reaches at 12:55. How long is the journey (in minutes)?
24. 24.A train leaves at 16:50 and reaches at 19:55. How long is the journey (in minutes)?
25. 25.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 a.m. (c) 2:00 a.m.
26. 26.A film is 2 hours 40 minutes long. How many minutes is that?
27. 27.A train leaves at 14:35 and reaches at 17:45. How long is the journey (in minutes)?
28. 28.A match starts at 18:00 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:10 (b) 20:10 (c) 21:10
29. 29.Write 4:05 a.m. in 24-hour time. (a) 06:05 (b) 16:05 (c) 04:05
30. 30.Write 6:25 p.m. in 24-hour time. (a) 18:25 (b) 20:25 (c) 06:25
31. 31.A train leaves at 09:25 and reaches at 10:15. How long is the journey (in minutes)?
32. 32.Write 2:45 a.m. in 24-hour time. (a) 04:45 (b) 02:45 (c) 14:45
33. 33.How many hours are there from 07:00 to 11:00?
34. 34.A match starts at 15:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 17:10 (b) 19:10 (c) 18:10
35. 35.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 a.m. (c) 1:25 p.m.
36. 36.A match starts at 08:20 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:10 (b) 13:10 (c) 12:10
37. 37.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 03:55 (c) 01:55
38. 38.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 p.m. (c) 1:30 a.m.
39. 39.A match starts at 10:10 and lasts 4 hours 15 minutes. At what time does it end? (a) 14:25 (b) 13:25 (c) 15:25
40. 40.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 17:35 (c) 03:35

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