Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 235 · 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 07:05 and lasts 2 hours 50 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 08:55
2. 2.A train leaves at 17:25 and reaches at 20:45. How long is the journey (in minutes)?
3. 3.A train leaves at 08:40 and reaches at 11:05. How long is the journey (in minutes)?
4. 4.A train leaves at 11:45 and reaches at 12:55. How long is the journey (in minutes)?
5. 5.A train leaves at 06:10 and reaches at 09:00. How long is the journey (in minutes)?
6. 6.A match starts at 10:50 and lasts 2 hours 15 minutes. At what time does it end? (a) 12:05 (b) 13:05 (c) 14:05
7. 7.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 17:50 (c) 07:50
8. 8.A match starts at 08:35 and lasts 4 hours 20 minutes. At what time does it end? (a) 11:55 (b) 13:55 (c) 12:55
9. 9.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
10. 10.A film is 1 hour 45 minutes long. How many minutes is that?
11. 11.How many hours are there from 12:00 to 20:00?
12. 12.A film is 2 hours 25 minutes long. How many minutes is that?
13. 13.A match starts at 15:20 and lasts 1 hour 50 minutes. At what time does it end? (a) 18:10 (b) 17:10 (c) 16:10
14. 14.A film is 2 hours 15 minutes long. How many minutes is that?
15. 15.Write 1:45 p.m. in 24-hour time. (a) 13:45 (b) 15:45 (c) 01:45
16. 16.What is 16:35 in 12-hour time? (a) 4:35 a.m. (b) 6:35 p.m. (c) 4:35 p.m.
17. 17.A train leaves at 07:25 and reaches at 10:00. How long is the journey (in minutes)?
18. 18.A match starts at 11:20 and lasts 2 hours. At what time does it end? (a) 14:20 (b) 12:20 (c) 13:20
19. 19.How many hours are there from 05:00 to 09:00?
20. 20.What is 20:00 in 12-hour time? (a) 8:00 p.m. (b) 8:00 a.m. (c) 10:00 p.m.
21. 21.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 03:10 (c) 15:10
22. 22.A train leaves at 13:30 and reaches at 14:05. How long is the journey (in minutes)?
23. 23.What is 04:10 in 12-hour time? (a) 6:10 a.m. (b) 4:10 p.m. (c) 4:10 a.m.
24. 24.Write 11:00 p.m. in 24-hour time. (a) 01:00 (b) 11:00 (c) 23:00
25. 25.A train leaves at 11:35 and reaches at 12:20. How long is the journey (in minutes)?
26. 26.A train leaves at 09:15 and reaches at 10:10. How long is the journey (in minutes)?
27. 27.A match starts at 18:45 and lasts 2 hours. At what time does it end? (a) 21:45 (b) 20:45 (c) 19:45
28. 28.How many hours are there from 07:00 to 16:00?
29. 29.What is 22:10 in 12-hour time? (a) 10:10 a.m. (b) 12:10 p.m. (c) 10:10 p.m.
30. 30.A match starts at 06:05 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:50 (b) 11:50 (c) 09:50
31. 31.A match starts at 15:30 and lasts 4 hours. At what time does it end? (a) 19:30 (b) 20:30 (c) 18:30
32. 32.A film is 2 hours 35 minutes long. How many minutes is that?
33. 33.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 p.m. (c) 1:50 a.m.
34. 34.A film is 3 hours 50 minutes long. How many minutes is that?
35. 35.What is 13:05 in 12-hour time? (a) 3:05 p.m. (b) 1:05 a.m. (c) 1:05 p.m.
36. 36.How many hours are there from 05:00 to 23:00?
37. 37.A film is 4 hours 15 minutes long. How many minutes is that?
38. 38.What is 15:40 in 12-hour time? (a) 5:40 p.m. (b) 3:40 p.m. (c) 3:40 a.m.
39. 39.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 a.m. (c) 1:00 p.m.
40. 40.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 23:15 (c) 11:15

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