Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 554 · 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 15:30 and reaches at 18:15. How long is the journey (in minutes)?
2. 2.A film is 2 hours 30 minutes long. How many minutes is that?
3. 3.Write 1:35 a.m. in 24-hour time. (a) 13:35 (b) 01:35 (c) 03:35
4. 4.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 22:10 (c) 10:10
5. 5.A film is 2 hours 50 minutes long. How many minutes is that?
6. 6.What is 04:35 in 12-hour time? (a) 6:35 a.m. (b) 4:35 a.m. (c) 4:35 p.m.
7. 7.A train leaves at 10:05 and reaches at 10:40. How long is the journey (in minutes)?
8. 8.Write 3:35 p.m. in 24-hour time. (a) 15:35 (b) 17:35 (c) 03:35
9. 9.Write 4:30 p.m. in 24-hour time. (a) 18:30 (b) 16:30 (c) 04:30
10. 10.A train leaves at 10:00 and reaches at 12:45. How long is the journey (in minutes)?
11. 11.What is 05:30 in 12-hour time? (a) 5:30 p.m. (b) 7:30 a.m. (c) 5:30 a.m.
12. 12.Write 9:15 a.m. in 24-hour time. (a) 11:15 (b) 09:15 (c) 21:15
13. 13.A film is 4 hours 15 minutes long. How many minutes is that?
14. 14.What is 16:30 in 12-hour time? (a) 4:30 p.m. (b) 6:30 p.m. (c) 4:30 a.m.
15. 15.A train leaves at 09:35 and reaches at 11:20. How long is the journey (in minutes)?
16. 16.A train leaves at 08:10 and reaches at 09:25. How long is the journey (in minutes)?
17. 17.Write 3:00 a.m. in 24-hour time. (a) 03:00 (b) 05:00 (c) 15:00
18. 18.A match starts at 09:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 09:35 (b) 10:35 (c) 11:35
19. 19.A match starts at 11:30 and lasts 4 hours 30 minutes. At what time does it end? (a) 15:00 (b) 17:00 (c) 16:00
20. 20.Write 5:00 p.m. in 24-hour time. (a) 05:00 (b) 19:00 (c) 17:00
21. 21.A train leaves at 07:40 and reaches at 08:40. How long is the journey (in minutes)?
22. 22.A train leaves at 08:40 and reaches at 11:00. How long is the journey (in minutes)?
23. 23.How many hours are there from 05:00 to 22:00?
24. 24.Write 7:40 a.m. in 24-hour time. (a) 07:40 (b) 19:40 (c) 09:40
25. 25.A train leaves at 09:05 and reaches at 11:45. How long is the journey (in minutes)?
26. 26.A train leaves at 17:25 and reaches at 20:10. How long is the journey (in minutes)?
27. 27.Write 3:15 a.m. in 24-hour time. (a) 15:15 (b) 05:15 (c) 03:15
28. 28.A train leaves at 18:00 and reaches at 19:25. How long is the journey (in minutes)?
29. 29.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 03:05
30. 30.How many hours are there from 11:00 to 22:00?
31. 31.Write 6:50 p.m. in 24-hour time. (a) 20:50 (b) 18:50 (c) 06:50
32. 32.A match starts at 10:40 and lasts 3 hours 45 minutes. At what time does it end? (a) 13:25 (b) 14:25 (c) 15:25
33. 33.A match starts at 11:00 and lasts 4 hours 30 minutes. At what time does it end? (a) 15:30 (b) 16:30 (c) 14:30
34. 34.A film is 2 hours 15 minutes long. How many minutes is that?
35. 35.A match starts at 17:55 and lasts 3 hours 45 minutes. At what time does it end? (a) 22:40 (b) 21:40 (c) 20:40
36. 36.What is 23:45 in 12-hour time? (a) 1:45 p.m. (b) 11:45 a.m. (c) 11:45 p.m.
37. 37.Write 1:30 p.m. in 24-hour time. (a) 13:30 (b) 01:30 (c) 15:30
38. 38.What is 23:40 in 12-hour time? (a) 1:40 p.m. (b) 11:40 a.m. (c) 11:40 p.m.
39. 39.A train leaves at 14:40 and reaches at 17:35. How long is the journey (in minutes)?
40. 40.Write 5:20 a.m. in 24-hour time. (a) 17:20 (b) 05:20 (c) 07:20

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