Class 4 Maths Worksheet: 24-Hour Clock

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

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