Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 539 · 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 19:55 and reaches at 20:45. How long is the journey (in minutes)?
2. 2.Write 1:30 p.m. in 24-hour time. (a) 01:30 (b) 13:30 (c) 15:30
3. 3.How many hours are there from 06:00 to 10:00?
4. 4.A match starts at 14:10 and lasts 2 hours 10 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 17:20
5. 5.Write 11:50 a.m. in 24-hour time. (a) 13:50 (b) 11:50 (c) 23:50
6. 6.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 15:15
7. 7.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 4:25 a.m. (c) 6:25 a.m.
8. 8.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 p.m. (c) 10:00 a.m.
9. 9.How many hours are there from 08:00 to 16:00?
10. 10.Write 2:45 a.m. in 24-hour time. (a) 02:45 (b) 14:45 (c) 04:45
11. 11.A match starts at 16:45 and lasts 1 hour. At what time does it end? (a) 16:45 (b) 18:45 (c) 17:45
12. 12.A match starts at 09:25 and lasts 2 hours 45 minutes. At what time does it end? (a) 13:10 (b) 11:10 (c) 12:10
13. 13.A film is 4 hours 10 minutes long. How many minutes is that?
14. 14.A film is 2 hours 50 minutes long. How many minutes is that?
15. 15.Write 1:10 p.m. in 24-hour time. (a) 01:10 (b) 13:10 (c) 15:10
16. 16.A film is 1 hour 10 minutes long. How many minutes is that?
17. 17.A train leaves at 17:40 and reaches at 18:10. How long is the journey (in minutes)?
18. 18.A train leaves at 06:20 and reaches at 08:15. How long is the journey (in minutes)?
19. 19.Write 2:15 p.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 16:15
20. 20.A train leaves at 07:10 and reaches at 07:50. How long is the journey (in minutes)?
21. 21.A match starts at 08:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 12:35
22. 22.How many hours are there from 09:00 to 19:00?
23. 23.A match starts at 06:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 09:05 (b) 10:05 (c) 08:05
24. 24.A match starts at 06:10 and lasts 2 hours 45 minutes. At what time does it end? (a) 08:55 (b) 09:55 (c) 07:55
25. 25.A film is 4 hours 15 minutes long. How many minutes is that?
26. 26.A film is 2 hours 15 minutes long. How many minutes is that?
27. 27.What is 04:10 in 12-hour time? (a) 4:10 p.m. (b) 4:10 a.m. (c) 6:10 a.m.
28. 28.How many hours are there from 10:00 to 12:00?
29. 29.A match starts at 15:50 and lasts 2 hours 45 minutes. At what time does it end? (a) 19:35 (b) 17:35 (c) 18:35
30. 30.What is 11:55 in 12-hour time? (a) 11:55 p.m. (b) 11:55 a.m. (c) 1:55 a.m.
31. 31.How many hours are there from 12:00 to 19:00?
32. 32.A train leaves at 17:20 and reaches at 18:55. How long is the journey (in minutes)?
33. 33.Write 2:20 p.m. in 24-hour time. (a) 16:20 (b) 02:20 (c) 14:20
34. 34.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 p.m. (c) 11:10 a.m.
35. 35.Write 9:20 p.m. in 24-hour time. (a) 23:20 (b) 21:20 (c) 09:20
36. 36.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 1:00 p.m. (c) 3:00 a.m.
37. 37.A train leaves at 09:45 and reaches at 11:30. How long is the journey (in minutes)?
38. 38.A train leaves at 14:35 and reaches at 17:55. How long is the journey (in minutes)?
39. 39.Write 4:10 a.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 06:10
40. 40.A train leaves at 08:05 and reaches at 09:50. How long is the journey (in minutes)?

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