Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 970 · 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 15:45 in 12-hour time? (a) 3:45 a.m. (b) 3:45 p.m. (c) 5:45 p.m.
2. 2.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 01:55 (c) 03:55
3. 3.What is 20:20 in 12-hour time? (a) 8:20 a.m. (b) 8:20 p.m. (c) 10:20 p.m.
4. 4.A train leaves at 08:25 and reaches at 08:55. How long is the journey (in minutes)?
5. 5.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 a.m. (c) 3:15 p.m.
6. 6.Write 9:35 a.m. in 24-hour time. (a) 21:35 (b) 11:35 (c) 09:35
7. 7.Write 9:00 a.m. in 24-hour time. (a) 11:00 (b) 21:00 (c) 09:00
8. 8.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 15:40 (c) 03:40
9. 9.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 03:00 (c) 13:00
10. 10.How many hours are there from 06:00 to 15:00?
11. 11.A train leaves at 16:00 and reaches at 18:10. How long is the journey (in minutes)?
12. 12.Write 6:50 a.m. in 24-hour time. (a) 06:50 (b) 18:50 (c) 08:50
13. 13.How many hours are there from 05:00 to 10:00?
14. 14.A match starts at 14:35 and lasts 3 hours 25 minutes. At what time does it end? (a) 17:00 (b) 19:00 (c) 18:00
15. 15.What is 23:25 in 12-hour time? (a) 11:25 a.m. (b) 1:25 p.m. (c) 11:25 p.m.
16. 16.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 p.m. (c) 2:25 a.m.
17. 17.How many hours are there from 10:00 to 19:00?
18. 18.A match starts at 08:30 and lasts 3 hours 25 minutes. At what time does it end? (a) 10:55 (b) 11:55 (c) 12:55
19. 19.Write 3:40 a.m. in 24-hour time. (a) 03:40 (b) 15:40 (c) 05:40
20. 20.Write 9:55 p.m. in 24-hour time. (a) 23:55 (b) 09:55 (c) 21:55
21. 21.How many hours are there from 07:00 to 09:00?
22. 22.A match starts at 12:45 and lasts 4 hours 50 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 18:35
23. 23.What is 10:05 in 12-hour time? (a) 10:05 p.m. (b) 12:05 a.m. (c) 10:05 a.m.
24. 24.How many hours are there from 11:00 to 18:00?
25. 25.A train leaves at 19:20 and reaches at 20:45. How long is the journey (in minutes)?
26. 26.A train leaves at 08:05 and reaches at 10:30. How long is the journey (in minutes)?
27. 27.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 12:00 (c) 22:00
28. 28.What is 19:45 in 12-hour time? (a) 7:45 p.m. (b) 7:45 a.m. (c) 9:45 p.m.
29. 29.A train leaves at 09:50 and reaches at 11:35. How long is the journey (in minutes)?
30. 30.A film is 2 hours 40 minutes long. How many minutes is that?
31. 31.A train leaves at 13:50 and reaches at 16:30. How long is the journey (in minutes)?
32. 32.A match starts at 06:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 11:10 (b) 09:10 (c) 10:10
33. 33.A match starts at 07:15 and lasts 3 hours 35 minutes. At what time does it end? (a) 11:50 (b) 10:50 (c) 09:50
34. 34.A train leaves at 14:10 and reaches at 14:45. How long is the journey (in minutes)?
35. 35.A match starts at 08:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:20 (b) 10:20 (c) 08:20
36. 36.Write 6:50 p.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 20:50
37. 37.A match starts at 09:05 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 14:25
38. 38.A film is 4 hours 15 minutes long. How many minutes is that?
39. 39.What is 07:25 in 12-hour time? (a) 7:25 p.m. (b) 7:25 a.m. (c) 9:25 a.m.
40. 40.A train leaves at 07:15 and reaches at 10:00. How long is the journey (in minutes)?

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