Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 289 · 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 film is 4 hours 35 minutes long. How many minutes is that?
2. 2.A film is 4 hours 10 minutes long. How many minutes is that?
3. 3.A film is 2 hours 35 minutes long. How many minutes is that?
4. 4.How many hours are there from 07:00 to 09:00?
5. 5.What is 10:50 in 12-hour time? (a) 10:50 a.m. (b) 10:50 p.m. (c) 12:50 a.m.
6. 6.Write 1:20 a.m. in 24-hour time. (a) 03:20 (b) 13:20 (c) 01:20
7. 7.How many hours are there from 09:00 to 12:00?
8. 8.What is 19:20 in 12-hour time? (a) 7:20 p.m. (b) 7:20 a.m. (c) 9:20 p.m.
9. 9.What is 13:35 in 12-hour time? (a) 1:35 a.m. (b) 3:35 p.m. (c) 1:35 p.m.
10. 10.A film is 4 hours 20 minutes long. How many minutes is that?
11. 11.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 p.m. (c) 10:45 a.m.
12. 12.What is 20:20 in 12-hour time? (a) 8:20 a.m. (b) 8:20 p.m. (c) 10:20 p.m.
13. 13.Write 1:55 p.m. in 24-hour time. (a) 13:55 (b) 15:55 (c) 01:55
14. 14.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 15:50 (c) 03:50
15. 15.A match starts at 15:45 and lasts 3 hours 40 minutes. At what time does it end? (a) 20:25 (b) 18:25 (c) 19:25
16. 16.A match starts at 16:45 and lasts 3 hours 5 minutes. At what time does it end? (a) 20:50 (b) 19:50 (c) 18:50
17. 17.What is 11:30 in 12-hour time? (a) 11:30 a.m. (b) 1:30 a.m. (c) 11:30 p.m.
18. 18.A match starts at 17:50 and lasts 4 hours. At what time does it end? (a) 20:50 (b) 21:50 (c) 22:50
19. 19.A match starts at 06:05 and lasts 3 hours 55 minutes. At what time does it end? (a) 10:00 (b) 09:00 (c) 11:00
20. 20.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
21. 21.A train leaves at 08:10 and reaches at 08:55. How long is the journey (in minutes)?
22. 22.What is 04:40 in 12-hour time? (a) 6:40 a.m. (b) 4:40 p.m. (c) 4:40 a.m.
23. 23.A match starts at 06:00 and lasts 4 hours 15 minutes. At what time does it end? (a) 10:15 (b) 09:15 (c) 11:15
24. 24.Write 3:15 a.m. in 24-hour time. (a) 05:15 (b) 15:15 (c) 03:15
25. 25.What is 21:30 in 12-hour time? (a) 9:30 p.m. (b) 9:30 a.m. (c) 11:30 p.m.
26. 26.A train leaves at 09:35 and reaches at 11:35. How long is the journey (in minutes)?
27. 27.What is 03:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 a.m. (c) 3:05 a.m.
28. 28.A train leaves at 06:05 and reaches at 07:20. How long is the journey (in minutes)?
29. 29.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 15:50 (c) 05:50
30. 30.What is 15:05 in 12-hour time? (a) 3:05 p.m. (b) 5:05 p.m. (c) 3:05 a.m.
31. 31.What is 01:25 in 12-hour time? (a) 1:25 p.m. (b) 3:25 a.m. (c) 1:25 a.m.
32. 32.A train leaves at 15:20 and reaches at 16:35. How long is the journey (in minutes)?
33. 33.What is 23:35 in 12-hour time? (a) 1:35 p.m. (b) 11:35 a.m. (c) 11:35 p.m.
34. 34.What is 02:40 in 12-hour time? (a) 4:40 a.m. (b) 2:40 p.m. (c) 2:40 a.m.
35. 35.A match starts at 07:25 and lasts 2 hours 45 minutes. At what time does it end? (a) 09:10 (b) 11:10 (c) 10:10
36. 36.A train leaves at 18:40 and reaches at 20:25. How long is the journey (in minutes)?
37. 37.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 p.m. (c) 1:55 p.m.
38. 38.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 04:40 (c) 06:40
39. 39.A train leaves at 08:50 and reaches at 12:10. How long is the journey (in minutes)?
40. 40.A match starts at 16:15 and lasts 4 hours 15 minutes. At what time does it end? (a) 20:30 (b) 19:30 (c) 21:30

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