Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 667 · 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 23:35 in 12-hour time? (a) 11:35 a.m. (b) 1:35 p.m. (c) 11:35 p.m.
2. 2.A match starts at 12:50 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:00 (b) 13:00 (c) 15:00
3. 3.Write 6:10 p.m. in 24-hour time. (a) 18:10 (b) 20:10 (c) 06:10
4. 4.A match starts at 08:20 and lasts 1 hour 20 minutes. At what time does it end? (a) 10:40 (b) 08:40 (c) 09:40
5. 5.A match starts at 10:15 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:25 (b) 12:25 (c) 13:25
6. 6.A match starts at 10:20 and lasts 2 hours 55 minutes. At what time does it end? (a) 14:15 (b) 13:15 (c) 12:15
7. 7.What is 10:25 in 12-hour time? (a) 10:25 a.m. (b) 10:25 p.m. (c) 12:25 a.m.
8. 8.How many hours are there from 10:00 to 14:00?
9. 9.Write 4:30 p.m. in 24-hour time. (a) 04:30 (b) 16:30 (c) 18:30
10. 10.A film is 1 hour 10 minutes long. How many minutes is that?
11. 11.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
12. 12.What is 18:25 in 12-hour time? (a) 8:25 p.m. (b) 6:25 p.m. (c) 6:25 a.m.
13. 13.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 10:20 (c) 20:20
14. 14.A film is 1 hour 30 minutes long. How many minutes is that?
15. 15.A match starts at 06:20 and lasts 2 hours 10 minutes. At what time does it end? (a) 07:30 (b) 09:30 (c) 08:30
16. 16.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 08:05 (c) 20:05
17. 17.A match starts at 10:20 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 11:35
18. 18.Write 4:55 p.m. in 24-hour time. (a) 04:55 (b) 18:55 (c) 16:55
19. 19.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 9:50 p.m. (c) 11:50 p.m.
20. 20.A film is 2 hours 30 minutes long. How many minutes is that?
21. 21.Write 10:55 p.m. in 24-hour time. (a) 22:55 (b) 00:55 (c) 10:55
22. 22.A film is 4 hours 50 minutes long. How many minutes is that?
23. 23.Write 11:45 a.m. in 24-hour time. (a) 13:45 (b) 23:45 (c) 11:45
24. 24.A train leaves at 14:30 and reaches at 15:25. How long is the journey (in minutes)?
25. 25.A train leaves at 11:30 and reaches at 14:15. How long is the journey (in minutes)?
26. 26.Write 6:05 p.m. in 24-hour time. (a) 20:05 (b) 06:05 (c) 18:05
27. 27.A film is 3 hours 50 minutes long. How many minutes is that?
28. 28.A train leaves at 10:55 and reaches at 12:00. How long is the journey (in minutes)?
29. 29.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 p.m. (c) 2:00 a.m.
30. 30.A match starts at 06:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 10:25 (b) 11:25 (c) 09:25
31. 31.What is 03:50 in 12-hour time? (a) 5:50 a.m. (b) 3:50 p.m. (c) 3:50 a.m.
32. 32.Write 11:40 a.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 13:40
33. 33.What is 01:00 in 12-hour time? (a) 3:00 a.m. (b) 1:00 p.m. (c) 1:00 a.m.
34. 34.A train leaves at 10:05 and reaches at 11:25. How long is the journey (in minutes)?
35. 35.A train leaves at 10:50 and reaches at 13:35. How long is the journey (in minutes)?
36. 36.How many hours are there from 05:00 to 23:00?
37. 37.What is 19:30 in 12-hour time? (a) 7:30 a.m. (b) 9:30 p.m. (c) 7:30 p.m.
38. 38.A train leaves at 12:15 and reaches at 12:50. How long is the journey (in minutes)?
39. 39.How many hours are there from 05:00 to 19:00?
40. 40.A train leaves at 12:10 and reaches at 14:50. How long is the journey (in minutes)?

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