Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 146 · 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 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 a.m. (c) 10:55 p.m.
2. 2.A train leaves at 19:15 and reaches at 20:25. How long is the journey (in minutes)?
3. 3.What is 11:05 in 12-hour time? (a) 11:05 a.m. (b) 1:05 a.m. (c) 11:05 p.m.
4. 4.A match starts at 08:00 and lasts 1 hour 40 minutes. At what time does it end? (a) 08:40 (b) 10:40 (c) 09:40
5. 5.A train leaves at 14:40 and reaches at 15:55. How long is the journey (in minutes)?
6. 6.A train leaves at 12:50 and reaches at 13:30. How long is the journey (in minutes)?
7. 7.A match starts at 15:20 and lasts 3 hours 20 minutes. At what time does it end? (a) 19:40 (b) 17:40 (c) 18:40
8. 8.A match starts at 13:05 and lasts 4 hours 15 minutes. At what time does it end? (a) 16:20 (b) 17:20 (c) 18:20
9. 9.What is 16:40 in 12-hour time? (a) 4:40 a.m. (b) 4:40 p.m. (c) 6:40 p.m.
10. 10.A match starts at 06:15 and lasts 1 hour 45 minutes. At what time does it end? (a) 09:00 (b) 08:00 (c) 07:00
11. 11.Write 2:45 p.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 16:45
12. 12.A train leaves at 13:05 and reaches at 14:40. How long is the journey (in minutes)?
13. 13.A match starts at 14:20 and lasts 2 hours 30 minutes. At what time does it end? (a) 16:50 (b) 17:50 (c) 15:50
14. 14.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 06:15
15. 15.A film is 2 hours 40 minutes long. How many minutes is that?
16. 16.A match starts at 09:30 and lasts 1 hour. At what time does it end? (a) 10:30 (b) 11:30 (c) 09:30
17. 17.A train leaves at 09:10 and reaches at 10:50. How long is the journey (in minutes)?
18. 18.A match starts at 18:40 and lasts 1 hour 35 minutes. At what time does it end? (a) 21:15 (b) 19:15 (c) 20:15
19. 19.What is 01:25 in 12-hour time? (a) 3:25 a.m. (b) 1:25 a.m. (c) 1:25 p.m.
20. 20.What is 08:25 in 12-hour time? (a) 10:25 a.m. (b) 8:25 a.m. (c) 8:25 p.m.
21. 21.What is 13:10 in 12-hour time? (a) 1:10 p.m. (b) 1:10 a.m. (c) 3:10 p.m.
22. 22.How many hours are there from 06:00 to 15:00?
23. 23.A match starts at 17:50 and lasts 4 hours. At what time does it end? (a) 21:50 (b) 20:50 (c) 22:50
24. 24.A film is 1 hour 45 minutes long. How many minutes is that?
25. 25.A train leaves at 10:30 and reaches at 11:55. How long is the journey (in minutes)?
26. 26.A match starts at 15:45 and lasts 3 hours 45 minutes. At what time does it end? (a) 20:30 (b) 18:30 (c) 19:30
27. 27.A match starts at 07:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 10:05 (b) 12:05 (c) 11:05
28. 28.What is 15:20 in 12-hour time? (a) 3:20 a.m. (b) 5:20 p.m. (c) 3:20 p.m.
29. 29.A film is 3 hours 40 minutes long. How many minutes is that?
30. 30.Write 4:35 p.m. in 24-hour time. (a) 16:35 (b) 18:35 (c) 04:35
31. 31.A film is 4 hours 55 minutes long. How many minutes is that?
32. 32.A train leaves at 16:40 and reaches at 17:15. How long is the journey (in minutes)?
33. 33.What is 05:35 in 12-hour time? (a) 7:35 a.m. (b) 5:35 a.m. (c) 5:35 p.m.
34. 34.A match starts at 14:45 and lasts 1 hour 30 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 17:15
35. 35.A film is 2 hours 10 minutes long. How many minutes is that?
36. 36.A film is 3 hours 35 minutes long. How many minutes is that?
37. 37.A train leaves at 12:25 and reaches at 13:05. How long is the journey (in minutes)?
38. 38.Write 8:00 p.m. in 24-hour time. (a) 22:00 (b) 20:00 (c) 08:00
39. 39.What is 22:00 in 12-hour time? (a) 10:00 a.m. (b) 12:00 p.m. (c) 10:00 p.m.
40. 40.A match starts at 13:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 15:35

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