Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 564 · 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 7:00 p.m. in 24-hour time. (a) 21:00 (b) 07:00 (c) 19:00
2. 2.How many hours are there from 09:00 to 19:00?
3. 3.What is 02:45 in 12-hour time? (a) 4:45 a.m. (b) 2:45 p.m. (c) 2:45 a.m.
4. 4.What is 09:10 in 12-hour time? (a) 9:10 a.m. (b) 11:10 a.m. (c) 9:10 p.m.
5. 5.What is 20:55 in 12-hour time? (a) 10:55 p.m. (b) 8:55 p.m. (c) 8:55 a.m.
6. 6.What is 05:45 in 12-hour time? (a) 7:45 a.m. (b) 5:45 a.m. (c) 5:45 p.m.
7. 7.A match starts at 10:40 and lasts 2 hours 45 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
8. 8.Write 7:15 p.m. in 24-hour time. (a) 21:15 (b) 07:15 (c) 19:15
9. 9.What is 18:05 in 12-hour time? (a) 8:05 p.m. (b) 6:05 a.m. (c) 6:05 p.m.
10. 10.A match starts at 09:10 and lasts 4 hours 55 minutes. At what time does it end? (a) 15:05 (b) 13:05 (c) 14:05
11. 11.A train leaves at 06:50 and reaches at 10:05. How long is the journey (in minutes)?
12. 12.A match starts at 08:50 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:00 (b) 13:00 (c) 12:00
13. 13.A train leaves at 18:10 and reaches at 19:20. How long is the journey (in minutes)?
14. 14.A match starts at 14:45 and lasts 4 hours 5 minutes. At what time does it end? (a) 19:50 (b) 18:50 (c) 17:50
15. 15.What is 11:05 in 12-hour time? (a) 1:05 a.m. (b) 11:05 p.m. (c) 11:05 a.m.
16. 16.A film is 1 hour 45 minutes long. How many minutes is that?
17. 17.A train leaves at 14:55 and reaches at 17:20. How long is the journey (in minutes)?
18. 18.A film is 4 hours 20 minutes long. How many minutes is that?
19. 19.How many hours are there from 09:00 to 18:00?
20. 20.A film is 3 hours 45 minutes long. How many minutes is that?
21. 21.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
22. 22.A match starts at 12:15 and lasts 3 hours 40 minutes. At what time does it end? (a) 14:55 (b) 16:55 (c) 15:55
23. 23.What is 13:05 in 12-hour time? (a) 1:05 a.m. (b) 3:05 p.m. (c) 1:05 p.m.
24. 24.How many hours are there from 05:00 to 10:00?
25. 25.A train leaves at 15:40 and reaches at 16:45. How long is the journey (in minutes)?
26. 26.A train leaves at 06:05 and reaches at 08:00. How long is the journey (in minutes)?
27. 27.A train leaves at 13:15 and reaches at 14:00. How long is the journey (in minutes)?
28. 28.What is 18:25 in 12-hour time? (a) 6:25 a.m. (b) 8:25 p.m. (c) 6:25 p.m.
29. 29.A film is 2 hours 55 minutes long. How many minutes is that?
30. 30.A train leaves at 13:25 and reaches at 14:50. How long is the journey (in minutes)?
31. 31.A train leaves at 18:05 and reaches at 21:10. How long is the journey (in minutes)?
32. 32.Write 3:10 a.m. in 24-hour time. (a) 05:10 (b) 15:10 (c) 03:10
33. 33.A film is 3 hours 10 minutes long. How many minutes is that?
34. 34.What is 05:35 in 12-hour time? (a) 5:35 p.m. (b) 5:35 a.m. (c) 7:35 a.m.
35. 35.A train leaves at 19:35 and reaches at 20:10. How long is the journey (in minutes)?
36. 36.How many hours are there from 12:00 to 23:00?
37. 37.What is 01:15 in 12-hour time? (a) 1:15 p.m. (b) 1:15 a.m. (c) 3:15 a.m.
38. 38.A train leaves at 09:15 and reaches at 11:30. How long is the journey (in minutes)?
39. 39.What is 08:15 in 12-hour time? (a) 8:15 p.m. (b) 10:15 a.m. (c) 8:15 a.m.
40. 40.A match starts at 15:25 and lasts 1 hour 55 minutes. At what time does it end? (a) 16:20 (b) 18:20 (c) 17:20

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