Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 176 · 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 01:05 in 12-hour time? (a) 3:05 a.m. (b) 1:05 p.m. (c) 1:05 a.m.
2. 2.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 16:05 (c) 06:05
3. 3.Write 11:40 p.m. in 24-hour time. (a) 23:40 (b) 01:40 (c) 11:40
4. 4.A train leaves at 15:50 and reaches at 18:45. How long is the journey (in minutes)?
5. 5.What is 11:00 in 12-hour time? (a) 11:00 a.m. (b) 11:00 p.m. (c) 1:00 a.m.
6. 6.How many hours are there from 05:00 to 22:00?
7. 7.How many hours are there from 05:00 to 11:00?
8. 8.How many hours are there from 08:00 to 22:00?
9. 9.A train leaves at 16:00 and reaches at 19:15. How long is the journey (in minutes)?
10. 10.Write 1:55 p.m. in 24-hour time. (a) 15:55 (b) 01:55 (c) 13:55
11. 11.A match starts at 06:35 and lasts 1 hour 50 minutes. At what time does it end? (a) 08:25 (b) 07:25 (c) 09:25
12. 12.A match starts at 14:45 and lasts 2 hours 25 minutes. At what time does it end? (a) 16:10 (b) 17:10 (c) 18:10
13. 13.A train leaves at 17:30 and reaches at 18:50. How long is the journey (in minutes)?
14. 14.What is 06:55 in 12-hour time? (a) 6:55 p.m. (b) 8:55 a.m. (c) 6:55 a.m.
15. 15.What is 18:50 in 12-hour time? (a) 6:50 p.m. (b) 8:50 p.m. (c) 6:50 a.m.
16. 16.Write 2:30 a.m. in 24-hour time. (a) 02:30 (b) 04:30 (c) 14:30
17. 17.How many hours are there from 09:00 to 16:00?
18. 18.Write 2:25 p.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 16:25
19. 19.How many hours are there from 07:00 to 23:00?
20. 20.How many hours are there from 11:00 to 21:00?
21. 21.A film is 1 hour 25 minutes long. How many minutes is that?
22. 22.What is 08:50 in 12-hour time? (a) 8:50 p.m. (b) 8:50 a.m. (c) 10:50 a.m.
23. 23.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 9:50 a.m. (c) 7:50 a.m.
24. 24.A train leaves at 06:50 and reaches at 07:35. How long is the journey (in minutes)?
25. 25.A film is 4 hours 30 minutes long. How many minutes is that?
26. 26.A train leaves at 14:40 and reaches at 15:20. How long is the journey (in minutes)?
27. 27.How many hours are there from 06:00 to 13:00?
28. 28.How many hours are there from 05:00 to 15:00?
29. 29.Write 4:50 a.m. in 24-hour time. (a) 06:50 (b) 04:50 (c) 16:50
30. 30.Write 3:20 p.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 17:20
31. 31.What is 19:45 in 12-hour time? (a) 9:45 p.m. (b) 7:45 p.m. (c) 7:45 a.m.
32. 32.A match starts at 11:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 16:55
33. 33.How many hours are there from 11:00 to 14:00?
34. 34.A train leaves at 14:10 and reaches at 15:35. How long is the journey (in minutes)?
35. 35.What is 02:20 in 12-hour time? (a) 4:20 a.m. (b) 2:20 a.m. (c) 2:20 p.m.
36. 36.How many hours are there from 05:00 to 17:00?
37. 37.A match starts at 09:25 and lasts 4 hours 25 minutes. At what time does it end? (a) 14:50 (b) 13:50 (c) 12:50
38. 38.A train leaves at 07:55 and reaches at 09:25. How long is the journey (in minutes)?
39. 39.Write 8:15 p.m. in 24-hour time. (a) 08:15 (b) 20:15 (c) 22:15
40. 40.A train leaves at 10:40 and reaches at 14:00. How long is the journey (in minutes)?

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