Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 316 · 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.What is 18:00 in 12-hour time? (a) 6:00 p.m. (b) 8:00 p.m. (c) 6:00 a.m.
2. 2.A film is 1 hour 40 minutes long. How many minutes is that?
3. 3.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
4. 4.How many hours are there from 05:00 to 09:00?
5. 5.Write 8:55 p.m. in 24-hour time. (a) 22:55 (b) 08:55 (c) 20:55
6. 6.A train leaves at 08:55 and reaches at 09:35. How long is the journey (in minutes)?
7. 7.What is 17:40 in 12-hour time? (a) 5:40 p.m. (b) 5:40 a.m. (c) 7:40 p.m.
8. 8.A film is 3 hours 10 minutes long. How many minutes is that?
9. 9.A train leaves at 14:45 and reaches at 15:35. How long is the journey (in minutes)?
10. 10.Write 1:25 a.m. in 24-hour time. (a) 03:25 (b) 01:25 (c) 13:25
11. 11.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 16:00
12. 12.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 a.m. (c) 3:40 a.m.
13. 13.How many hours are there from 07:00 to 11:00?
14. 14.A train leaves at 11:45 and reaches at 13:20. How long is the journey (in minutes)?
15. 15.A train leaves at 09:15 and reaches at 11:50. How long is the journey (in minutes)?
16. 16.How many hours are there from 07:00 to 09:00?
17. 17.Write 4:05 a.m. in 24-hour time. (a) 16:05 (b) 04:05 (c) 06:05
18. 18.A match starts at 08:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 09:15 (b) 11:15 (c) 10:15
19. 19.What is 01:20 in 12-hour time? (a) 1:20 a.m. (b) 1:20 p.m. (c) 3:20 a.m.
20. 20.A film is 2 hours 5 minutes long. How many minutes is that?
21. 21.How many hours are there from 11:00 to 17:00?
22. 22.How many hours are there from 12:00 to 23:00?
23. 23.A train leaves at 06:55 and reaches at 07:35. How long is the journey (in minutes)?
24. 24.What is 04:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 a.m. (c) 4:05 a.m.
25. 25.How many hours are there from 11:00 to 15:00?
26. 26.A train leaves at 11:20 and reaches at 14:40. How long is the journey (in minutes)?
27. 27.Write 1:00 a.m. in 24-hour time. (a) 01:00 (b) 03:00 (c) 13:00
28. 28.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 23:50 (c) 13:50
29. 29.A match starts at 12:30 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 14:35
30. 30.How many hours are there from 11:00 to 18:00?
31. 31.Write 10:50 p.m. in 24-hour time. (a) 00:50 (b) 10:50 (c) 22:50
32. 32.Write 11:45 a.m. in 24-hour time. (a) 13:45 (b) 23:45 (c) 11:45
33. 33.A film is 4 hours 35 minutes long. How many minutes is that?
34. 34.A match starts at 16:30 and lasts 3 hours 5 minutes. At what time does it end? (a) 20:35 (b) 18:35 (c) 19:35
35. 35.Write 1:05 a.m. in 24-hour time. (a) 01:05 (b) 03:05 (c) 13:05
36. 36.A train leaves at 07:00 and reaches at 09:25. How long is the journey (in minutes)?
37. 37.A match starts at 06:40 and lasts 3 hours 25 minutes. At what time does it end? (a) 11:05 (b) 09:05 (c) 10:05
38. 38.A film is 1 hour 25 minutes long. How many minutes is that?
39. 39.A match starts at 12:30 and lasts 4 hours 35 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 18:05
40. 40.How many hours are there from 08:00 to 17:00?

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