Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 965 · 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 9:15 p.m. in 24-hour time. (a) 23:15 (b) 09:15 (c) 21:15
2. 2.Write 4:20 p.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 18:20
3. 3.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
4. 4.How many hours are there from 05:00 to 21:00?
5. 5.A match starts at 12:10 and lasts 3 hours 15 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 16:25
6. 6.How many hours are there from 05:00 to 18:00?
7. 7.How many hours are there from 12:00 to 14:00?
8. 8.A film is 4 hours 35 minutes long. How many minutes is that?
9. 9.Write 2:50 a.m. in 24-hour time. (a) 14:50 (b) 02:50 (c) 04:50
10. 10.What is 03:15 in 12-hour time? (a) 5:15 a.m. (b) 3:15 a.m. (c) 3:15 p.m.
11. 11.A match starts at 06:15 and lasts 2 hours 15 minutes. At what time does it end? (a) 08:30 (b) 09:30 (c) 07:30
12. 12.A train leaves at 14:00 and reaches at 15:35. How long is the journey (in minutes)?
13. 13.Write 1:35 a.m. in 24-hour time. (a) 01:35 (b) 13:35 (c) 03:35
14. 14.What is 07:05 in 12-hour time? (a) 9:05 a.m. (b) 7:05 a.m. (c) 7:05 p.m.
15. 15.A match starts at 12:15 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:35 (b) 17:35 (c) 16:35
16. 16.Write 5:00 p.m. in 24-hour time. (a) 05:00 (b) 17:00 (c) 19:00
17. 17.A train leaves at 09:25 and reaches at 10:00. How long is the journey (in minutes)?
18. 18.A train leaves at 12:25 and reaches at 14:05. How long is the journey (in minutes)?
19. 19.What is 14:40 in 12-hour time? (a) 2:40 p.m. (b) 4:40 p.m. (c) 2:40 a.m.
20. 20.A train leaves at 07:00 and reaches at 07:50. How long is the journey (in minutes)?
21. 21.A train leaves at 09:15 and reaches at 10:30. How long is the journey (in minutes)?
22. 22.A film is 2 hours 35 minutes long. How many minutes is that?
23. 23.A match starts at 13:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 15:35 (b) 14:35 (c) 13:35
24. 24.Write 9:40 p.m. in 24-hour time. (a) 21:40 (b) 09:40 (c) 23:40
25. 25.How many hours are there from 11:00 to 17:00?
26. 26.A film is 2 hours 15 minutes long. How many minutes is that?
27. 27.A film is 4 hours 40 minutes long. How many minutes is that?
28. 28.A match starts at 06:35 and lasts 4 hours 40 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 10:15
29. 29.What is 22:20 in 12-hour time? (a) 12:20 p.m. (b) 10:20 p.m. (c) 10:20 a.m.
30. 30.A train leaves at 11:25 and reaches at 12:45. How long is the journey (in minutes)?
31. 31.A match starts at 09:20 and lasts 2 hours 50 minutes. At what time does it end? (a) 13:10 (b) 12:10 (c) 11:10
32. 32.How many hours are there from 05:00 to 15:00?
33. 33.A match starts at 06:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 08:05 (b) 07:05 (c) 09:05
34. 34.What is 08:15 in 12-hour time? (a) 8:15 a.m. (b) 8:15 p.m. (c) 10:15 a.m.
35. 35.A film is 1 hour 50 minutes long. How many minutes is that?
36. 36.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 16:35
37. 37.A film is 2 hours 40 minutes long. How many minutes is that?
38. 38.A match starts at 08:20 and lasts 1 hour 25 minutes. At what time does it end? (a) 10:45 (b) 09:45 (c) 08:45
39. 39.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 04:00 (c) 14:00
40. 40.Write 6:05 a.m. in 24-hour time. (a) 08:05 (b) 18:05 (c) 06:05

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