Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 205 · 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 2:05 p.m. in 24-hour time. (a) 16:05 (b) 02:05 (c) 14:05
2. 2.How many hours are there from 05:00 to 23:00?
3. 3.A train leaves at 13:50 and reaches at 15:15. How long is the journey (in minutes)?
4. 4.What is 21:30 in 12-hour time? (a) 11:30 p.m. (b) 9:30 a.m. (c) 9:30 p.m.
5. 5.How many hours are there from 05:00 to 14:00?
6. 6.A train leaves at 19:05 and reaches at 19:50. How long is the journey (in minutes)?
7. 7.A match starts at 08:55 and lasts 1 hour 20 minutes. At what time does it end? (a) 11:15 (b) 09:15 (c) 10:15
8. 8.A train leaves at 07:20 and reaches at 09:45. How long is the journey (in minutes)?
9. 9.A match starts at 17:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 18:45 (b) 19:45 (c) 20:45
10. 10.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
11. 11.What is 18:30 in 12-hour time? (a) 6:30 a.m. (b) 8:30 p.m. (c) 6:30 p.m.
12. 12.How many hours are there from 05:00 to 10:00?
13. 13.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 03:50
14. 14.A match starts at 13:00 and lasts 1 hour. At what time does it end? (a) 13:00 (b) 14:00 (c) 15:00
15. 15.A match starts at 10:00 and lasts 3 hours 45 minutes. At what time does it end? (a) 14:45 (b) 13:45 (c) 12:45
16. 16.A train leaves at 13:30 and reaches at 14:45. How long is the journey (in minutes)?
17. 17.A match starts at 06:10 and lasts 3 hours 30 minutes. At what time does it end? (a) 10:40 (b) 09:40 (c) 08:40
18. 18.A match starts at 09:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 12:50 (b) 13:50 (c) 14:50
19. 19.A film is 1 hour 25 minutes long. How many minutes is that?
20. 20.A train leaves at 08:40 and reaches at 09:50. How long is the journey (in minutes)?
21. 21.A train leaves at 16:05 and reaches at 19:25. How long is the journey (in minutes)?
22. 22.A match starts at 14:40 and lasts 1 hour 55 minutes. At what time does it end? (a) 16:35 (b) 17:35 (c) 15:35
23. 23.What is 08:45 in 12-hour time? (a) 8:45 a.m. (b) 8:45 p.m. (c) 10:45 a.m.
24. 24.Write 3:35 a.m. in 24-hour time. (a) 05:35 (b) 03:35 (c) 15:35
25. 25.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
26. 26.Write 7:40 p.m. in 24-hour time. (a) 19:40 (b) 07:40 (c) 21:40
27. 27.A match starts at 10:25 and lasts 3 hours 35 minutes. At what time does it end? (a) 14:00 (b) 13:00 (c) 15:00
28. 28.A film is 3 hours 40 minutes long. How many minutes is that?
29. 29.How many hours are there from 12:00 to 16:00?
30. 30.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 3:00 p.m. (c) 5:00 p.m.
31. 31.How many hours are there from 10:00 to 22:00?
32. 32.What is 10:10 in 12-hour time? (a) 10:10 a.m. (b) 10:10 p.m. (c) 12:10 a.m.
33. 33.A train leaves at 15:10 and reaches at 16:15. How long is the journey (in minutes)?
34. 34.Write 9:45 p.m. in 24-hour time. (a) 23:45 (b) 21:45 (c) 09:45
35. 35.What is 01:55 in 12-hour time? (a) 3:55 a.m. (b) 1:55 a.m. (c) 1:55 p.m.
36. 36.What is 13:20 in 12-hour time? (a) 1:20 p.m. (b) 1:20 a.m. (c) 3:20 p.m.
37. 37.Write 9:10 p.m. in 24-hour time. (a) 09:10 (b) 21:10 (c) 23:10
38. 38.A film is 1 hour 55 minutes long. How many minutes is that?
39. 39.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 05:40 (c) 03:40
40. 40.A match starts at 08:25 and lasts 4 hours 35 minutes. At what time does it end? (a) 12:00 (b) 14:00 (c) 13:00

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