Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 173 · 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 1 hour 30 minutes long. How many minutes is that?
2. 2.A match starts at 18:40 and lasts 2 hours. At what time does it end? (a) 21:40 (b) 19:40 (c) 20:40
3. 3.How many hours are there from 06:00 to 09:00?
4. 4.What is 14:05 in 12-hour time? (a) 2:05 p.m. (b) 2:05 a.m. (c) 4:05 p.m.
5. 5.How many hours are there from 11:00 to 23:00?
6. 6.How many hours are there from 07:00 to 19:00?
7. 7.What is 01:50 in 12-hour time? (a) 3:50 a.m. (b) 1:50 a.m. (c) 1:50 p.m.
8. 8.A train leaves at 17:00 and reaches at 17:50. How long is the journey (in minutes)?
9. 9.Write 1:15 a.m. in 24-hour time. (a) 01:15 (b) 13:15 (c) 03:15
10. 10.A train leaves at 15:35 and reaches at 16:30. How long is the journey (in minutes)?
11. 11.A match starts at 15:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:55 (b) 17:55 (c) 19:55
12. 12.How many hours are there from 12:00 to 23:00?
13. 13.A match starts at 08:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 08:35 (b) 09:35 (c) 10:35
14. 14.What is 19:30 in 12-hour time? (a) 9:30 p.m. (b) 7:30 a.m. (c) 7:30 p.m.
15. 15.A match starts at 17:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 20:25 (b) 22:25 (c) 21:25
16. 16.Write 4:25 p.m. in 24-hour time. (a) 04:25 (b) 16:25 (c) 18:25
17. 17.A match starts at 08:30 and lasts 4 hours 50 minutes. At what time does it end? (a) 14:20 (b) 12:20 (c) 13:20
18. 18.A train leaves at 08:05 and reaches at 08:55. How long is the journey (in minutes)?
19. 19.A train leaves at 19:35 and reaches at 20:10. How long is the journey (in minutes)?
20. 20.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
21. 21.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 23:45 (c) 09:45
22. 22.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 a.m. (c) 3:15 p.m.
23. 23.What is 23:55 in 12-hour time? (a) 1:55 p.m. (b) 11:55 a.m. (c) 11:55 p.m.
24. 24.Write 4:55 a.m. in 24-hour time. (a) 06:55 (b) 16:55 (c) 04:55
25. 25.Write 9:10 p.m. in 24-hour time. (a) 09:10 (b) 21:10 (c) 23:10
26. 26.A film is 1 hour 15 minutes long. How many minutes is that?
27. 27.What is 17:30 in 12-hour time? (a) 5:30 a.m. (b) 5:30 p.m. (c) 7:30 p.m.
28. 28.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 05:00 (c) 17:00
29. 29.A film is 4 hours 5 minutes long. How many minutes is that?
30. 30.A match starts at 14:20 and lasts 3 hours 30 minutes. At what time does it end? (a) 18:50 (b) 17:50 (c) 16:50
31. 31.Write 7:20 p.m. in 24-hour time. (a) 19:20 (b) 21:20 (c) 07:20
32. 32.Write 5:30 p.m. in 24-hour time. (a) 05:30 (b) 17:30 (c) 19:30
33. 33.Write 6:35 p.m. in 24-hour time. (a) 06:35 (b) 20:35 (c) 18:35
34. 34.A train leaves at 09:20 and reaches at 12:20. How long is the journey (in minutes)?
35. 35.What is 20:05 in 12-hour time? (a) 10:05 p.m. (b) 8:05 p.m. (c) 8:05 a.m.
36. 36.Write 7:20 a.m. in 24-hour time. (a) 19:20 (b) 07:20 (c) 09:20
37. 37.What is 22:15 in 12-hour time? (a) 12:15 p.m. (b) 10:15 p.m. (c) 10:15 a.m.
38. 38.How many hours are there from 05:00 to 17:00?
39. 39.A match starts at 11:10 and lasts 4 hours 50 minutes. At what time does it end? (a) 15:00 (b) 17:00 (c) 16:00
40. 40.What is 19:35 in 12-hour time? (a) 7:35 a.m. (b) 7:35 p.m. (c) 9:35 p.m.

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