Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 790 · 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 10:05 in 12-hour time? (a) 10:05 p.m. (b) 10:05 a.m. (c) 12:05 a.m.
2. 2.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 15:15 (c) 17:15
3. 3.Write 9:10 a.m. in 24-hour time. (a) 11:10 (b) 09:10 (c) 21:10
4. 4.What is 13:20 in 12-hour time? (a) 1:20 a.m. (b) 1:20 p.m. (c) 3:20 p.m.
5. 5.A train leaves at 19:10 and reaches at 21:30. How long is the journey (in minutes)?
6. 6.A film is 2 hours 15 minutes long. How many minutes is that?
7. 7.A match starts at 08:20 and lasts 4 hours 15 minutes. At what time does it end? (a) 11:35 (b) 12:35 (c) 13:35
8. 8.A film is 1 hour 10 minutes long. How many minutes is that?
9. 9.A match starts at 17:25 and lasts 3 hours 40 minutes. At what time does it end? (a) 20:05 (b) 21:05 (c) 22:05
10. 10.A match starts at 16:45 and lasts 2 hours 45 minutes. At what time does it end? (a) 19:30 (b) 20:30 (c) 18:30
11. 11.What is 04:20 in 12-hour time? (a) 4:20 a.m. (b) 4:20 p.m. (c) 6:20 a.m.
12. 12.How many hours are there from 07:00 to 14:00?
13. 13.A train leaves at 08:55 and reaches at 11:50. How long is the journey (in minutes)?
14. 14.A train leaves at 09:05 and reaches at 11:50. How long is the journey (in minutes)?
15. 15.A train leaves at 06:05 and reaches at 07:45. How long is the journey (in minutes)?
16. 16.What is 10:30 in 12-hour time? (a) 12:30 a.m. (b) 10:30 p.m. (c) 10:30 a.m.
17. 17.A train leaves at 17:05 and reaches at 17:45. How long is the journey (in minutes)?
18. 18.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 3:45 a.m. (c) 1:45 a.m.
19. 19.How many hours are there from 08:00 to 18:00?
20. 20.What is 05:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 a.m. (c) 5:45 p.m.
21. 21.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 15:35 (c) 03:35
22. 22.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 22:15 (c) 10:15
23. 23.A match starts at 14:20 and lasts 3 hours 55 minutes. At what time does it end? (a) 19:15 (b) 17:15 (c) 18:15
24. 24.A match starts at 16:35 and lasts 2 hours. At what time does it end? (a) 17:35 (b) 19:35 (c) 18:35
25. 25.A film is 1 hour 25 minutes long. How many minutes is that?
26. 26.Write 3:55 p.m. in 24-hour time. (a) 15:55 (b) 17:55 (c) 03:55
27. 27.What is 21:30 in 12-hour time? (a) 9:30 p.m. (b) 9:30 a.m. (c) 11:30 p.m.
28. 28.A film is 2 hours 50 minutes long. How many minutes is that?
29. 29.What is 05:30 in 12-hour time? (a) 5:30 a.m. (b) 7:30 a.m. (c) 5:30 p.m.
30. 30.A film is 3 hours 55 minutes long. How many minutes is that?
31. 31.What is 15:45 in 12-hour time? (a) 5:45 p.m. (b) 3:45 a.m. (c) 3:45 p.m.
32. 32.Write 3:40 p.m. in 24-hour time. (a) 15:40 (b) 03:40 (c) 17:40
33. 33.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 a.m. (c) 2:00 a.m.
34. 34.A train leaves at 11:05 and reaches at 12:15. How long is the journey (in minutes)?
35. 35.A train leaves at 13:50 and reaches at 14:15. How long is the journey (in minutes)?
36. 36.A film is 3 hours 45 minutes long. How many minutes is that?
37. 37.How many hours are there from 07:00 to 21:00?
38. 38.What is 16:45 in 12-hour time? (a) 4:45 a.m. (b) 4:45 p.m. (c) 6:45 p.m.
39. 39.What is 04:40 in 12-hour time? (a) 4:40 p.m. (b) 6:40 a.m. (c) 4:40 a.m.
40. 40.What is 02:15 in 12-hour time? (a) 2:15 p.m. (b) 2:15 a.m. (c) 4:15 a.m.

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