Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 373 · 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) 08:55 (c) 06:55
2. 2.A film is 4 hours 45 minutes long. How many minutes is that?
3. 3.Write 8:00 a.m. in 24-hour time. (a) 10:00 (b) 20:00 (c) 08:00
4. 4.What is 02:00 in 12-hour time? (a) 4:00 a.m. (b) 2:00 a.m. (c) 2:00 p.m.
5. 5.A film is 4 hours 20 minutes long. How many minutes is that?
6. 6.Write 3:55 p.m. in 24-hour time. (a) 17:55 (b) 03:55 (c) 15:55
7. 7.A match starts at 18:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 22:55 (b) 21:55 (c) 20:55
8. 8.Write 4:15 p.m. in 24-hour time. (a) 16:15 (b) 04:15 (c) 18:15
9. 9.A match starts at 15:05 and lasts 3 hours. At what time does it end? (a) 17:05 (b) 18:05 (c) 19:05
10. 10.A train leaves at 13:05 and reaches at 14:15. How long is the journey (in minutes)?
11. 11.A match starts at 16:35 and lasts 3 hours 20 minutes. At what time does it end? (a) 20:55 (b) 18:55 (c) 19:55
12. 12.How many hours are there from 08:00 to 23:00?
13. 13.What is 02:25 in 12-hour time? (a) 2:25 a.m. (b) 2:25 p.m. (c) 4:25 a.m.
14. 14.A film is 3 hours 40 minutes long. How many minutes is that?
15. 15.A train leaves at 12:20 and reaches at 14:40. How long is the journey (in minutes)?
16. 16.How many hours are there from 10:00 to 16:00?
17. 17.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 12:15
18. 18.Write 1:15 p.m. in 24-hour time. (a) 15:15 (b) 01:15 (c) 13:15
19. 19.A train leaves at 18:00 and reaches at 20:15. How long is the journey (in minutes)?
20. 20.A match starts at 11:05 and lasts 3 hours 20 minutes. At what time does it end? (a) 15:25 (b) 14:25 (c) 13:25
21. 21.What is 19:35 in 12-hour time? (a) 9:35 p.m. (b) 7:35 a.m. (c) 7:35 p.m.
22. 22.A film is 3 hours 55 minutes long. How many minutes is that?
23. 23.A match starts at 15:25 and lasts 2 hours. At what time does it end? (a) 17:25 (b) 16:25 (c) 18:25
24. 24.A match starts at 13:10 and lasts 4 hours. At what time does it end? (a) 16:10 (b) 18:10 (c) 17:10
25. 25.A film is 4 hours 25 minutes long. How many minutes is that?
26. 26.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 3:55 p.m. (c) 1:55 a.m.
27. 27.A film is 2 hours 45 minutes long. How many minutes is that?
28. 28.How many hours are there from 08:00 to 15:00?
29. 29.How many hours are there from 06:00 to 21:00?
30. 30.What is 01:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 a.m. (c) 1:55 p.m.
31. 31.What is 06:45 in 12-hour time? (a) 6:45 p.m. (b) 6:45 a.m. (c) 8:45 a.m.
32. 32.What is 13:15 in 12-hour time? (a) 1:15 p.m. (b) 3:15 p.m. (c) 1:15 a.m.
33. 33.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 17:45 (c) 05:45
34. 34.A train leaves at 13:25 and reaches at 15:25. How long is the journey (in minutes)?
35. 35.A match starts at 13:00 and lasts 3 hours 10 minutes. At what time does it end? (a) 15:10 (b) 16:10 (c) 17:10
36. 36.How many hours are there from 09:00 to 12:00?
37. 37.A train leaves at 14:05 and reaches at 16:00. How long is the journey (in minutes)?
38. 38.What is 17:30 in 12-hour time? (a) 5:30 p.m. (b) 5:30 a.m. (c) 7:30 p.m.
39. 39.A train leaves at 08:10 and reaches at 09:50. How long is the journey (in minutes)?
40. 40.A match starts at 18:40 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 22:00

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