Class 4 Maths Worksheet: 24-Hour Clock

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

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