Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 264 · 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 03:20 in 12-hour time? (a) 3:20 a.m. (b) 5:20 a.m. (c) 3:20 p.m.
2. 2.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 17:00 (c) 05:00
3. 3.Write 7:20 p.m. in 24-hour time. (a) 07:20 (b) 21:20 (c) 19:20
4. 4.What is 01:15 in 12-hour time? (a) 1:15 a.m. (b) 3:15 a.m. (c) 1:15 p.m.
5. 5.How many hours are there from 08:00 to 13:00?
6. 6.What is 02:30 in 12-hour time? (a) 2:30 a.m. (b) 2:30 p.m. (c) 4:30 a.m.
7. 7.A train leaves at 13:15 and reaches at 15:25. How long is the journey (in minutes)?
8. 8.A film is 1 hour 55 minutes long. How many minutes is that?
9. 9.A film is 4 hours 25 minutes long. How many minutes is that?
10. 10.A film is 1 hour 20 minutes long. How many minutes is that?
11. 11.A train leaves at 18:05 and reaches at 19:45. How long is the journey (in minutes)?
12. 12.A match starts at 11:35 and lasts 4 hours 55 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 17:30
13. 13.What is 11:45 in 12-hour time? (a) 11:45 a.m. (b) 1:45 a.m. (c) 11:45 p.m.
14. 14.A train leaves at 12:05 and reaches at 13:00. How long is the journey (in minutes)?
15. 15.What is 23:00 in 12-hour time? (a) 11:00 a.m. (b) 11:00 p.m. (c) 1:00 p.m.
16. 16.How many hours are there from 09:00 to 16:00?
17. 17.A match starts at 18:35 and lasts 3 hours 40 minutes. At what time does it end? (a) 22:15 (b) 23:15 (c) 21:15
18. 18.A train leaves at 06:20 and reaches at 08:25. How long is the journey (in minutes)?
19. 19.What is 04:05 in 12-hour time? (a) 4:05 a.m. (b) 6:05 a.m. (c) 4:05 p.m.
20. 20.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 a.m. (c) 6:20 p.m.
21. 21.Write 11:40 p.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 01:40
22. 22.What is 10:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 a.m.
23. 23.Write 5:05 p.m. in 24-hour time. (a) 05:05 (b) 17:05 (c) 19:05
24. 24.A train leaves at 11:35 and reaches at 12:05. How long is the journey (in minutes)?
25. 25.A match starts at 12:30 and lasts 2 hours 35 minutes. At what time does it end? (a) 14:05 (b) 16:05 (c) 15:05
26. 26.A match starts at 16:50 and lasts 2 hours 10 minutes. At what time does it end? (a) 19:00 (b) 18:00 (c) 20:00
27. 27.Write 10:50 a.m. in 24-hour time. (a) 10:50 (b) 22:50 (c) 12:50
28. 28.A film is 3 hours 10 minutes long. How many minutes is that?
29. 29.A match starts at 06:35 and lasts 2 hours 30 minutes. At what time does it end? (a) 10:05 (b) 08:05 (c) 09:05
30. 30.How many hours are there from 07:00 to 23:00?
31. 31.A train leaves at 06:00 and reaches at 08:45. How long is the journey (in minutes)?
32. 32.A train leaves at 12:45 and reaches at 16:00. How long is the journey (in minutes)?
33. 33.How many hours are there from 12:00 to 23:00?
34. 34.Write 10:20 p.m. in 24-hour time. (a) 00:20 (b) 10:20 (c) 22:20
35. 35.A match starts at 11:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
36. 36.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 a.m. (c) 8:25 p.m.
37. 37.A train leaves at 13:45 and reaches at 16:00. How long is the journey (in minutes)?
38. 38.Write 4:05 p.m. in 24-hour time. (a) 16:05 (b) 18:05 (c) 04:05
39. 39.A match starts at 11:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 15:30 (b) 14:30 (c) 16:30
40. 40.A film is 4 hours 30 minutes long. How many minutes is that?

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