Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 169 · 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 train leaves at 06:30 and reaches at 07:50. How long is the journey (in minutes)?
2. 2.How many hours are there from 12:00 to 19:00?
3. 3.A train leaves at 14:40 and reaches at 16:50. How long is the journey (in minutes)?
4. 4.A train leaves at 11:15 and reaches at 12:10. How long is the journey (in minutes)?
5. 5.A train leaves at 17:10 and reaches at 19:30. How long is the journey (in minutes)?
6. 6.A match starts at 07:10 and lasts 1 hour. At what time does it end? (a) 07:10 (b) 08:10 (c) 09:10
7. 7.A match starts at 16:50 and lasts 3 hours 55 minutes. At what time does it end? (a) 21:45 (b) 19:45 (c) 20:45
8. 8.What is 01:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 a.m. (c) 1:55 p.m.
9. 9.Write 7:10 p.m. in 24-hour time. (a) 19:10 (b) 07:10 (c) 21:10
10. 10.What is 11:15 in 12-hour time? (a) 1:15 a.m. (b) 11:15 p.m. (c) 11:15 a.m.
11. 11.A train leaves at 19:25 and reaches at 20:30. How long is the journey (in minutes)?
12. 12.Write 6:05 p.m. in 24-hour time. (a) 20:05 (b) 06:05 (c) 18:05
13. 13.A train leaves at 08:15 and reaches at 09:35. How long is the journey (in minutes)?
14. 14.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 a.m. (c) 2:25 p.m.
15. 15.A train leaves at 06:30 and reaches at 07:15. How long is the journey (in minutes)?
16. 16.Write 11:15 p.m. in 24-hour time. (a) 01:15 (b) 23:15 (c) 11:15
17. 17.What is 17:00 in 12-hour time? (a) 5:00 p.m. (b) 5:00 a.m. (c) 7:00 p.m.
18. 18.What is 01:30 in 12-hour time? (a) 3:30 a.m. (b) 1:30 a.m. (c) 1:30 p.m.
19. 19.A film is 1 hour 55 minutes long. How many minutes is that?
20. 20.What is 22:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 p.m. (c) 10:55 p.m.
21. 21.A train leaves at 08:00 and reaches at 10:05. How long is the journey (in minutes)?
22. 22.What is 21:40 in 12-hour time? (a) 9:40 a.m. (b) 11:40 p.m. (c) 9:40 p.m.
23. 23.How many hours are there from 06:00 to 15:00?
24. 24.What is 14:35 in 12-hour time? (a) 2:35 a.m. (b) 2:35 p.m. (c) 4:35 p.m.
25. 25.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 a.m.
26. 26.A train leaves at 16:25 and reaches at 18:35. How long is the journey (in minutes)?
27. 27.A train leaves at 12:35 and reaches at 15:20. How long is the journey (in minutes)?
28. 28.Write 1:35 a.m. in 24-hour time. (a) 03:35 (b) 13:35 (c) 01:35
29. 29.What is 16:05 in 12-hour time? (a) 4:05 a.m. (b) 6:05 p.m. (c) 4:05 p.m.
30. 30.What is 07:40 in 12-hour time? (a) 7:40 p.m. (b) 7:40 a.m. (c) 9:40 a.m.
31. 31.A film is 4 hours 55 minutes long. How many minutes is that?
32. 32.What is 02:50 in 12-hour time? (a) 2:50 p.m. (b) 4:50 a.m. (c) 2:50 a.m.
33. 33.A match starts at 08:45 and lasts 3 hours 45 minutes. At what time does it end? (a) 12:30 (b) 13:30 (c) 11:30
34. 34.A match starts at 12:20 and lasts 3 hours 50 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 17:10
35. 35.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 16:50 (c) 04:50
36. 36.How many hours are there from 05:00 to 15:00?
37. 37.What is 20:10 in 12-hour time? (a) 8:10 a.m. (b) 8:10 p.m. (c) 10:10 p.m.
38. 38.Write 6:10 p.m. in 24-hour time. (a) 20:10 (b) 06:10 (c) 18:10
39. 39.How many hours are there from 09:00 to 17:00?
40. 40.What is 19:30 in 12-hour time? (a) 9:30 p.m. (b) 7:30 p.m. (c) 7:30 a.m.

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