Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 869 · 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 20:15 in 12-hour time? (a) 10:15 p.m. (b) 8:15 p.m. (c) 8:15 a.m.
2. 2.A match starts at 07:45 and lasts 4 hours 40 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 11:25
3. 3.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 11:15 (c) 23:15
4. 4.How many hours are there from 05:00 to 23:00?
5. 5.A train leaves at 14:00 and reaches at 16:50. How long is the journey (in minutes)?
6. 6.A match starts at 09:05 and lasts 2 hours 35 minutes. At what time does it end? (a) 11:40 (b) 10:40 (c) 12:40
7. 7.A train leaves at 08:00 and reaches at 09:00. How long is the journey (in minutes)?
8. 8.A match starts at 14:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 16:35 (b) 15:35 (c) 17:35
9. 9.A match starts at 11:25 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
10. 10.A train leaves at 12:30 and reaches at 15:20. How long is the journey (in minutes)?
11. 11.What is 23:50 in 12-hour time? (a) 11:50 a.m. (b) 1:50 p.m. (c) 11:50 p.m.
12. 12.A train leaves at 17:15 and reaches at 18:50. How long is the journey (in minutes)?
13. 13.A match starts at 16:05 and lasts 2 hours 25 minutes. At what time does it end? (a) 19:30 (b) 17:30 (c) 18:30
14. 14.Write 8:50 p.m. in 24-hour time. (a) 08:50 (b) 22:50 (c) 20:50
15. 15.What is 04:50 in 12-hour time? (a) 4:50 a.m. (b) 4:50 p.m. (c) 6:50 a.m.
16. 16.What is 18:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 p.m.
17. 17.What is 05:00 in 12-hour time? (a) 5:00 a.m. (b) 7:00 a.m. (c) 5:00 p.m.
18. 18.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 a.m.
19. 19.Write 7:25 p.m. in 24-hour time. (a) 21:25 (b) 19:25 (c) 07:25
20. 20.How many hours are there from 08:00 to 12:00?
21. 21.What is 20:10 in 12-hour time? (a) 10:10 p.m. (b) 8:10 a.m. (c) 8:10 p.m.
22. 22.Write 7:00 a.m. in 24-hour time. (a) 19:00 (b) 09:00 (c) 07:00
23. 23.Write 8:45 a.m. in 24-hour time. (a) 08:45 (b) 10:45 (c) 20:45
24. 24.Write 2:35 a.m. in 24-hour time. (a) 02:35 (b) 04:35 (c) 14:35
25. 25.A film is 2 hours 20 minutes long. How many minutes is that?
26. 26.What is 01:00 in 12-hour time? (a) 3:00 a.m. (b) 1:00 a.m. (c) 1:00 p.m.
27. 27.What is 22:35 in 12-hour time? (a) 12:35 p.m. (b) 10:35 a.m. (c) 10:35 p.m.
28. 28.A train leaves at 06:55 and reaches at 10:05. How long is the journey (in minutes)?
29. 29.A match starts at 18:35 and lasts 4 hours 5 minutes. At what time does it end? (a) 21:40 (b) 23:40 (c) 22:40
30. 30.A film is 1 hour 5 minutes long. How many minutes is that?
31. 31.What is 09:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 a.m. (c) 9:35 p.m.
32. 32.A film is 4 hours 30 minutes long. How many minutes is that?
33. 33.A train leaves at 19:40 and reaches at 21:40. How long is the journey (in minutes)?
34. 34.Write 6:50 a.m. in 24-hour time. (a) 18:50 (b) 08:50 (c) 06:50
35. 35.What is 23:40 in 12-hour time? (a) 11:40 p.m. (b) 1:40 p.m. (c) 11:40 a.m.
36. 36.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 22:35 (c) 20:35
37. 37.A film is 2 hours 10 minutes long. How many minutes is that?
38. 38.How many hours are there from 05:00 to 20:00?
39. 39.How many hours are there from 08:00 to 22:00?
40. 40.A match starts at 08:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 13:30

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