Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 993 · 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.Write 6:55 a.m. in 24-hour time. (a) 18:55 (b) 06:55 (c) 08:55
2. 2.A train leaves at 13:10 and reaches at 14:20. How long is the journey (in minutes)?
3. 3.A train leaves at 19:00 and reaches at 19:55. How long is the journey (in minutes)?
4. 4.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
5. 5.A match starts at 09:10 and lasts 2 hours 25 minutes. At what time does it end? (a) 11:35 (b) 12:35 (c) 10:35
6. 6.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 17:50 (c) 07:50
7. 7.A match starts at 09:05 and lasts 4 hours 10 minutes. At what time does it end? (a) 13:15 (b) 12:15 (c) 14:15
8. 8.What is 02:45 in 12-hour time? (a) 2:45 p.m. (b) 2:45 a.m. (c) 4:45 a.m.
9. 9.How many hours are there from 09:00 to 14:00?
10. 10.A film is 2 hours 15 minutes long. How many minutes is that?
11. 11.A film is 3 hours 55 minutes long. How many minutes is that?
12. 12.A train leaves at 18:20 and reaches at 21:00. How long is the journey (in minutes)?
13. 13.What is 03:05 in 12-hour time? (a) 5:05 a.m. (b) 3:05 p.m. (c) 3:05 a.m.
14. 14.A match starts at 09:45 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:55 (b) 12:55 (c) 13:55
15. 15.A train leaves at 09:55 and reaches at 11:20. How long is the journey (in minutes)?
16. 16.A train leaves at 15:25 and reaches at 16:15. How long is the journey (in minutes)?
17. 17.What is 23:05 in 12-hour time? (a) 11:05 p.m. (b) 1:05 p.m. (c) 11:05 a.m.
18. 18.A film is 2 hours 45 minutes long. How many minutes is that?
19. 19.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 15:35 (c) 03:35
20. 20.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
21. 21.Write 5:30 a.m. in 24-hour time. (a) 17:30 (b) 07:30 (c) 05:30
22. 22.A train leaves at 15:05 and reaches at 17:20. How long is the journey (in minutes)?
23. 23.What is 19:10 in 12-hour time? (a) 9:10 p.m. (b) 7:10 p.m. (c) 7:10 a.m.
24. 24.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 p.m. (c) 4:35 a.m.
25. 25.A match starts at 10:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 11:35
26. 26.A train leaves at 12:35 and reaches at 13:45. How long is the journey (in minutes)?
27. 27.How many hours are there from 12:00 to 15:00?
28. 28.A train leaves at 15:10 and reaches at 17:40. How long is the journey (in minutes)?
29. 29.A film is 4 hours 40 minutes long. How many minutes is that?
30. 30.A match starts at 10:40 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
31. 31.What is 06:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 a.m. (c) 6:50 a.m.
32. 32.A train leaves at 19:50 and reaches at 21:05. How long is the journey (in minutes)?
33. 33.How many hours are there from 07:00 to 23:00?
34. 34.How many hours are there from 08:00 to 15:00?
35. 35.A train leaves at 13:55 and reaches at 16:00. How long is the journey (in minutes)?
36. 36.Write 10:40 a.m. in 24-hour time. (a) 12:40 (b) 10:40 (c) 22:40
37. 37.How many hours are there from 11:00 to 16:00?
38. 38.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 06:15 (c) 04:15
39. 39.A match starts at 13:35 and lasts 2 hours 10 minutes. At what time does it end? (a) 15:45 (b) 16:45 (c) 14:45
40. 40.A train leaves at 12:20 and reaches at 13:45. How long is the journey (in minutes)?

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