Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 824 · 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 8:35 a.m. in 24-hour time. (a) 20:35 (b) 10:35 (c) 08:35
2. 2.A match starts at 15:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 17:15 (b) 15:15 (c) 16:15
3. 3.What is 19:00 in 12-hour time? (a) 7:00 a.m. (b) 7:00 p.m. (c) 9:00 p.m.
4. 4.How many hours are there from 11:00 to 22:00?
5. 5.A match starts at 13:25 and lasts 1 hour 50 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 14:15
6. 6.How many hours are there from 08:00 to 11:00?
7. 7.A match starts at 16:35 and lasts 3 hours 10 minutes. At what time does it end? (a) 19:45 (b) 18:45 (c) 20:45
8. 8.A film is 1 hour 30 minutes long. How many minutes is that?
9. 9.What is 08:20 in 12-hour time? (a) 8:20 p.m. (b) 8:20 a.m. (c) 10:20 a.m.
10. 10.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
11. 11.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 00:15 (c) 22:15
12. 12.Write 2:30 a.m. in 24-hour time. (a) 14:30 (b) 02:30 (c) 04:30
13. 13.What is 08:45 in 12-hour time? (a) 10:45 a.m. (b) 8:45 p.m. (c) 8:45 a.m.
14. 14.A train leaves at 09:45 and reaches at 11:50. How long is the journey (in minutes)?
15. 15.Write 7:00 a.m. in 24-hour time. (a) 07:00 (b) 19:00 (c) 09:00
16. 16.What is 13:10 in 12-hour time? (a) 3:10 p.m. (b) 1:10 p.m. (c) 1:10 a.m.
17. 17.A film is 4 hours 30 minutes long. How many minutes is that?
18. 18.What is 06:10 in 12-hour time? (a) 6:10 p.m. (b) 6:10 a.m. (c) 8:10 a.m.
19. 19.A match starts at 08:45 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:00 (b) 10:00 (c) 11:00
20. 20.Write 2:25 p.m. in 24-hour time. (a) 14:25 (b) 16:25 (c) 02:25
21. 21.A match starts at 12:55 and lasts 4 hours 10 minutes. At what time does it end? (a) 16:05 (b) 18:05 (c) 17:05
22. 22.A train leaves at 06:45 and reaches at 08:15. How long is the journey (in minutes)?
23. 23.A match starts at 11:50 and lasts 4 hours 20 minutes. At what time does it end? (a) 17:10 (b) 15:10 (c) 16:10
24. 24.A match starts at 08:20 and lasts 4 hours 15 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 11:35
25. 25.A train leaves at 08:00 and reaches at 08:30. How long is the journey (in minutes)?
26. 26.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 p.m. (c) 4:40 a.m.
27. 27.How many hours are there from 07:00 to 09:00?
28. 28.A match starts at 14:00 and lasts 2 hours 40 minutes. At what time does it end? (a) 17:40 (b) 15:40 (c) 16:40
29. 29.Write 4:20 a.m. in 24-hour time. (a) 06:20 (b) 04:20 (c) 16:20
30. 30.A film is 2 hours 45 minutes long. How many minutes is that?
31. 31.Write 10:50 a.m. in 24-hour time. (a) 22:50 (b) 12:50 (c) 10:50
32. 32.A match starts at 08:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:35 (b) 10:35 (c) 09:35
33. 33.A film is 1 hour 10 minutes long. How many minutes is that?
34. 34.Write 7:50 a.m. in 24-hour time. (a) 19:50 (b) 09:50 (c) 07:50
35. 35.A match starts at 11:40 and lasts 2 hours 5 minutes. At what time does it end? (a) 13:45 (b) 14:45 (c) 12:45
36. 36.A match starts at 06:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:30 (b) 08:30 (c) 07:30
37. 37.How many hours are there from 11:00 to 17:00?
38. 38.How many hours are there from 08:00 to 18:00?
39. 39.How many hours are there from 06:00 to 08:00?
40. 40.A train leaves at 15:05 and reaches at 18:25. How long is the journey (in minutes)?

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