Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 187 · 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 3:00 p.m. in 24-hour time. (a) 15:00 (b) 03:00 (c) 17:00
2. 2.Write 1:15 p.m. in 24-hour time. (a) 01:15 (b) 15:15 (c) 13:15
3. 3.What is 16:10 in 12-hour time? (a) 4:10 p.m. (b) 6:10 p.m. (c) 4:10 a.m.
4. 4.Write 10:25 p.m. in 24-hour time. (a) 22:25 (b) 10:25 (c) 00:25
5. 5.A film is 1 hour 40 minutes long. How many minutes is that?
6. 6.A train leaves at 15:55 and reaches at 16:20. How long is the journey (in minutes)?
7. 7.How many hours are there from 06:00 to 20:00?
8. 8.Write 7:15 a.m. in 24-hour time. (a) 09:15 (b) 07:15 (c) 19:15
9. 9.What is 16:15 in 12-hour time? (a) 4:15 a.m. (b) 4:15 p.m. (c) 6:15 p.m.
10. 10.How many hours are there from 12:00 to 22:00?
11. 11.A match starts at 06:15 and lasts 1 hour. At what time does it end? (a) 06:15 (b) 07:15 (c) 08:15
12. 12.A match starts at 18:15 and lasts 3 hours. At what time does it end? (a) 22:15 (b) 21:15 (c) 20:15
13. 13.What is 15:25 in 12-hour time? (a) 5:25 p.m. (b) 3:25 p.m. (c) 3:25 a.m.
14. 14.Write 11:45 a.m. in 24-hour time. (a) 13:45 (b) 11:45 (c) 23:45
15. 15.What is 13:25 in 12-hour time? (a) 1:25 a.m. (b) 3:25 p.m. (c) 1:25 p.m.
16. 16.What is 19:45 in 12-hour time? (a) 9:45 p.m. (b) 7:45 p.m. (c) 7:45 a.m.
17. 17.What is 10:10 in 12-hour time? (a) 12:10 a.m. (b) 10:10 a.m. (c) 10:10 p.m.
18. 18.What is 06:20 in 12-hour time? (a) 6:20 a.m. (b) 6:20 p.m. (c) 8:20 a.m.
19. 19.A train leaves at 12:00 and reaches at 13:50. How long is the journey (in minutes)?
20. 20.A train leaves at 18:55 and reaches at 21:50. How long is the journey (in minutes)?
21. 21.Write 4:20 a.m. in 24-hour time. (a) 16:20 (b) 04:20 (c) 06:20
22. 22.A train leaves at 12:40 and reaches at 13:35. How long is the journey (in minutes)?
23. 23.A match starts at 16:10 and lasts 3 hours 40 minutes. At what time does it end? (a) 18:50 (b) 19:50 (c) 20:50
24. 24.A film is 4 hours 25 minutes long. How many minutes is that?
25. 25.A train leaves at 14:05 and reaches at 14:30. How long is the journey (in minutes)?
26. 26.A match starts at 07:45 and lasts 3 hours 5 minutes. At what time does it end? (a) 10:50 (b) 09:50 (c) 11:50
27. 27.Write 8:00 a.m. in 24-hour time. (a) 08:00 (b) 20:00 (c) 10:00
28. 28.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 15:05 (c) 03:05
29. 29.A match starts at 12:20 and lasts 3 hours. At what time does it end? (a) 16:20 (b) 14:20 (c) 15:20
30. 30.A film is 3 hours 5 minutes long. How many minutes is that?
31. 31.What is 15:00 in 12-hour time? (a) 3:00 a.m. (b) 5:00 p.m. (c) 3:00 p.m.
32. 32.A train leaves at 09:15 and reaches at 12:15. How long is the journey (in minutes)?
33. 33.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 03:55 (c) 01:55
34. 34.What is 23:00 in 12-hour time? (a) 11:00 a.m. (b) 1:00 p.m. (c) 11:00 p.m.
35. 35.How many hours are there from 08:00 to 10:00?
36. 36.A train leaves at 12:15 and reaches at 13:45. How long is the journey (in minutes)?
37. 37.Write 7:50 p.m. in 24-hour time. (a) 21:50 (b) 07:50 (c) 19:50
38. 38.A film is 1 hour 20 minutes long. How many minutes is that?
39. 39.How many hours are there from 07:00 to 13:00?
40. 40.A match starts at 12:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 16:40 (b) 15:40 (c) 14:40

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