Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 820 · 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 11:55 p.m. in 24-hour time. (a) 23:55 (b) 01:55 (c) 11:55
2. 2.What is 05:45 in 12-hour time? (a) 7:45 a.m. (b) 5:45 p.m. (c) 5:45 a.m.
3. 3.What is 19:35 in 12-hour time? (a) 7:35 a.m. (b) 9:35 p.m. (c) 7:35 p.m.
4. 4.Write 4:55 p.m. in 24-hour time. (a) 18:55 (b) 04:55 (c) 16:55
5. 5.A train leaves at 14:15 and reaches at 16:10. How long is the journey (in minutes)?
6. 6.How many hours are there from 09:00 to 16:00?
7. 7.Write 9:35 a.m. in 24-hour time. (a) 09:35 (b) 11:35 (c) 21:35
8. 8.What is 02:30 in 12-hour time? (a) 4:30 a.m. (b) 2:30 a.m. (c) 2:30 p.m.
9. 9.A train leaves at 06:10 and reaches at 06:40. How long is the journey (in minutes)?
10. 10.What is 20:50 in 12-hour time? (a) 8:50 a.m. (b) 10:50 p.m. (c) 8:50 p.m.
11. 11.Write 9:55 p.m. in 24-hour time. (a) 09:55 (b) 21:55 (c) 23:55
12. 12.What is 09:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 a.m. (c) 9:35 p.m.
13. 13.A match starts at 08:20 and lasts 2 hours 10 minutes. At what time does it end? (a) 11:30 (b) 10:30 (c) 09:30
14. 14.Write 1:10 a.m. in 24-hour time. (a) 13:10 (b) 01:10 (c) 03:10
15. 15.A train leaves at 16:20 and reaches at 18:30. How long is the journey (in minutes)?
16. 16.A train leaves at 19:05 and reaches at 19:35. How long is the journey (in minutes)?
17. 17.A match starts at 14:30 and lasts 3 hours 50 minutes. At what time does it end? (a) 18:20 (b) 19:20 (c) 17:20
18. 18.A match starts at 06:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:45 (b) 09:45 (c) 11:45
19. 19.How many hours are there from 09:00 to 15:00?
20. 20.Write 1:25 p.m. in 24-hour time. (a) 15:25 (b) 13:25 (c) 01:25
21. 21.A film is 4 hours 5 minutes long. How many minutes is that?
22. 22.A train leaves at 08:50 and reaches at 11:50. How long is the journey (in minutes)?
23. 23.How many hours are there from 07:00 to 10:00?
24. 24.A film is 3 hours 25 minutes long. How many minutes is that?
25. 25.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 08:00 (c) 06:00
26. 26.How many hours are there from 07:00 to 12:00?
27. 27.How many hours are there from 05:00 to 16:00?
28. 28.A film is 2 hours 5 minutes long. How many minutes is that?
29. 29.A film is 1 hour 55 minutes long. How many minutes is that?
30. 30.Write 5:30 p.m. in 24-hour time. (a) 19:30 (b) 17:30 (c) 05:30
31. 31.A train leaves at 13:05 and reaches at 14:30. How long is the journey (in minutes)?
32. 32.A match starts at 17:50 and lasts 3 hours. At what time does it end? (a) 21:50 (b) 20:50 (c) 19:50
33. 33.A train leaves at 13:00 and reaches at 15:05. How long is the journey (in minutes)?
34. 34.A film is 4 hours 30 minutes long. How many minutes is that?
35. 35.A film is 1 hour 30 minutes long. How many minutes is that?
36. 36.A train leaves at 08:15 and reaches at 09:50. How long is the journey (in minutes)?
37. 37.How many hours are there from 05:00 to 10:00?
38. 38.A train leaves at 16:20 and reaches at 19:05. How long is the journey (in minutes)?
39. 39.A train leaves at 17:30 and reaches at 20:20. How long is the journey (in minutes)?
40. 40.Write 6:30 p.m. in 24-hour time. (a) 06:30 (b) 18:30 (c) 20:30

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