Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 259 · 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.A match starts at 07:20 and lasts 1 hour 5 minutes. At what time does it end? (a) 09:25 (b) 07:25 (c) 08:25
2. 2.A train leaves at 06:10 and reaches at 08:05. How long is the journey (in minutes)?
3. 3.A film is 4 hours 25 minutes long. How many minutes is that?
4. 4.Write 1:15 a.m. in 24-hour time. (a) 03:15 (b) 01:15 (c) 13:15
5. 5.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 2:45 a.m. (c) 4:45 a.m.
6. 6.What is 10:50 in 12-hour time? (a) 10:50 p.m. (b) 10:50 a.m. (c) 12:50 a.m.
7. 7.How many hours are there from 05:00 to 07:00?
8. 8.A film is 2 hours 40 minutes long. How many minutes is that?
9. 9.A match starts at 18:10 and lasts 1 hour 10 minutes. At what time does it end? (a) 19:20 (b) 18:20 (c) 20:20
10. 10.A match starts at 15:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 19:25 (b) 18:25 (c) 17:25
11. 11.A train leaves at 19:00 and reaches at 19:45. How long is the journey (in minutes)?
12. 12.A film is 2 hours 20 minutes long. How many minutes is that?
13. 13.A train leaves at 10:35 and reaches at 11:35. How long is the journey (in minutes)?
14. 14.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
15. 15.A film is 4 hours 55 minutes long. How many minutes is that?
16. 16.A match starts at 09:55 and lasts 1 hour 15 minutes. At what time does it end? (a) 10:10 (b) 12:10 (c) 11:10
17. 17.Write 6:10 a.m. in 24-hour time. (a) 08:10 (b) 18:10 (c) 06:10
18. 18.What is 17:35 in 12-hour time? (a) 5:35 p.m. (b) 5:35 a.m. (c) 7:35 p.m.
19. 19.A match starts at 08:55 and lasts 1 hour 55 minutes. At what time does it end? (a) 09:50 (b) 10:50 (c) 11:50
20. 20.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 p.m. (c) 7:40 a.m.
21. 21.A match starts at 08:35 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 11:40
22. 22.Write 11:45 a.m. in 24-hour time. (a) 23:45 (b) 11:45 (c) 13:45
23. 23.Write 10:10 a.m. in 24-hour time. (a) 22:10 (b) 12:10 (c) 10:10
24. 24.A train leaves at 19:20 and reaches at 20:15. How long is the journey (in minutes)?
25. 25.A train leaves at 06:50 and reaches at 10:05. How long is the journey (in minutes)?
26. 26.What is 04:35 in 12-hour time? (a) 4:35 p.m. (b) 6:35 a.m. (c) 4:35 a.m.
27. 27.How many hours are there from 06:00 to 21:00?
28. 28.A film is 2 hours 55 minutes long. How many minutes is that?
29. 29.What is 05:40 in 12-hour time? (a) 5:40 a.m. (b) 5:40 p.m. (c) 7:40 a.m.
30. 30.A film is 3 hours 40 minutes long. How many minutes is that?
31. 31.A film is 1 hour 20 minutes long. How many minutes is that?
32. 32.A train leaves at 07:40 and reaches at 10:50. How long is the journey (in minutes)?
33. 33.How many hours are there from 11:00 to 15:00?
34. 34.A match starts at 15:40 and lasts 1 hour 55 minutes. At what time does it end? (a) 17:35 (b) 16:35 (c) 18:35
35. 35.A match starts at 16:20 and lasts 4 hours 20 minutes. At what time does it end? (a) 19:40 (b) 21:40 (c) 20:40
36. 36.Write 10:15 p.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 00:15
37. 37.A match starts at 15:35 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:15 (b) 20:15 (c) 19:15
38. 38.A match starts at 08:35 and lasts 4 hours 25 minutes. At what time does it end? (a) 12:00 (b) 14:00 (c) 13:00
39. 39.Write 2:40 a.m. in 24-hour time. (a) 02:40 (b) 14:40 (c) 04:40
40. 40.How many hours are there from 05:00 to 15:00?

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