Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 329 · 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 11:10 and lasts 3 hours 25 minutes. At what time does it end? (a) 15:35 (b) 13:35 (c) 14:35
2. 2.A train leaves at 10:00 and reaches at 10:25. How long is the journey (in minutes)?
3. 3.A train leaves at 08:05 and reaches at 11:15. How long is the journey (in minutes)?
4. 4.How many hours are there from 07:00 to 13:00?
5. 5.What is 20:20 in 12-hour time? (a) 8:20 p.m. (b) 8:20 a.m. (c) 10:20 p.m.
6. 6.What is 16:05 in 12-hour time? (a) 6:05 p.m. (b) 4:05 a.m. (c) 4:05 p.m.
7. 7.Write 4:45 p.m. in 24-hour time. (a) 18:45 (b) 16:45 (c) 04:45
8. 8.A match starts at 07:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 10:30 (b) 09:30 (c) 08:30
9. 9.Write 11:35 p.m. in 24-hour time. (a) 11:35 (b) 23:35 (c) 01:35
10. 10.Write 6:20 a.m. in 24-hour time. (a) 06:20 (b) 18:20 (c) 08:20
11. 11.A film is 2 hours 50 minutes long. How many minutes is that?
12. 12.A train leaves at 14:45 and reaches at 15:55. How long is the journey (in minutes)?
13. 13.What is 21:55 in 12-hour time? (a) 11:55 p.m. (b) 9:55 p.m. (c) 9:55 a.m.
14. 14.What is 03:10 in 12-hour time? (a) 5:10 a.m. (b) 3:10 p.m. (c) 3:10 a.m.
15. 15.Write 2:45 p.m. in 24-hour time. (a) 14:45 (b) 16:45 (c) 02:45
16. 16.A match starts at 07:20 and lasts 3 hours. At what time does it end? (a) 11:20 (b) 09:20 (c) 10:20
17. 17.A film is 4 hours 50 minutes long. How many minutes is that?
18. 18.Write 1:05 p.m. in 24-hour time. (a) 15:05 (b) 13:05 (c) 01:05
19. 19.A match starts at 14:30 and lasts 1 hour. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
20. 20.How many hours are there from 09:00 to 23:00?
21. 21.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
22. 22.A film is 3 hours 55 minutes long. How many minutes is that?
23. 23.A film is 3 hours 30 minutes long. How many minutes is that?
24. 24.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 p.m. (c) 11:10 a.m.
25. 25.A train leaves at 09:15 and reaches at 09:50. How long is the journey (in minutes)?
26. 26.A match starts at 16:50 and lasts 4 hours 25 minutes. At what time does it end? (a) 22:15 (b) 20:15 (c) 21:15
27. 27.Write 8:55 p.m. in 24-hour time. (a) 20:55 (b) 22:55 (c) 08:55
28. 28.Write 1:45 p.m. in 24-hour time. (a) 15:45 (b) 13:45 (c) 01:45
29. 29.Write 7:00 p.m. in 24-hour time. (a) 19:00 (b) 07:00 (c) 21:00
30. 30.How many hours are there from 08:00 to 13:00?
31. 31.How many hours are there from 06:00 to 15:00?
32. 32.A match starts at 18:25 and lasts 2 hours 20 minutes. At what time does it end? (a) 21:45 (b) 19:45 (c) 20:45
33. 33.How many hours are there from 10:00 to 19:00?
34. 34.A film is 1 hour 35 minutes long. How many minutes is that?
35. 35.Write 9:25 a.m. in 24-hour time. (a) 09:25 (b) 21:25 (c) 11:25
36. 36.What is 02:35 in 12-hour time? (a) 2:35 a.m. (b) 2:35 p.m. (c) 4:35 a.m.
37. 37.A film is 4 hours 45 minutes long. How many minutes is that?
38. 38.What is 15:50 in 12-hour time? (a) 5:50 p.m. (b) 3:50 a.m. (c) 3:50 p.m.
39. 39.A match starts at 12:05 and lasts 2 hours 20 minutes. At what time does it end? (a) 15:25 (b) 13:25 (c) 14:25
40. 40.Write 7:55 p.m. in 24-hour time. (a) 21:55 (b) 07:55 (c) 19:55

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