Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 354 · 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.A match starts at 16:35 and lasts 2 hours 15 minutes. At what time does it end? (a) 19:50 (b) 17:50 (c) 18:50
2. 2.How many hours are there from 06:00 to 13:00?
3. 3.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 13:00 (c) 01:00
4. 4.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 05:05 (c) 03:05
5. 5.A train leaves at 07:10 and reaches at 08:10. How long is the journey (in minutes)?
6. 6.How many hours are there from 12:00 to 23:00?
7. 7.A train leaves at 10:50 and reaches at 12:50. How long is the journey (in minutes)?
8. 8.A film is 2 hours 40 minutes long. How many minutes is that?
9. 9.A match starts at 12:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 15:45 (b) 16:45 (c) 14:45
10. 10.A train leaves at 13:50 and reaches at 16:20. How long is the journey (in minutes)?
11. 11.A film is 3 hours 15 minutes long. How many minutes is that?
12. 12.What is 02:00 in 12-hour time? (a) 2:00 p.m. (b) 4:00 a.m. (c) 2:00 a.m.
13. 13.What is 04:05 in 12-hour time? (a) 4:05 p.m. (b) 6:05 a.m. (c) 4:05 a.m.
14. 14.A match starts at 12:00 and lasts 2 hours 35 minutes. At what time does it end? (a) 15:35 (b) 13:35 (c) 14:35
15. 15.How many hours are there from 08:00 to 12:00?
16. 16.How many hours are there from 08:00 to 23:00?
17. 17.A train leaves at 09:10 and reaches at 11:15. How long is the journey (in minutes)?
18. 18.A film is 1 hour 30 minutes long. How many minutes is that?
19. 19.A film is 4 hours 45 minutes long. How many minutes is that?
20. 20.What is 14:15 in 12-hour time? (a) 4:15 p.m. (b) 2:15 p.m. (c) 2:15 a.m.
21. 21.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 01:55 (c) 13:55
22. 22.Write 6:00 p.m. in 24-hour time. (a) 18:00 (b) 20:00 (c) 06:00
23. 23.What is 08:00 in 12-hour time? (a) 10:00 a.m. (b) 8:00 a.m. (c) 8:00 p.m.
24. 24.A film is 2 hours 25 minutes long. How many minutes is that?
25. 25.Write 8:25 p.m. in 24-hour time. (a) 08:25 (b) 20:25 (c) 22:25
26. 26.A match starts at 13:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 17:10 (b) 18:10 (c) 16:10
27. 27.A match starts at 17:40 and lasts 2 hours. At what time does it end? (a) 19:40 (b) 20:40 (c) 18:40
28. 28.A film is 3 hours 40 minutes long. How many minutes is that?
29. 29.A train leaves at 10:20 and reaches at 13:25. How long is the journey (in minutes)?
30. 30.Write 6:00 a.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 08:00
31. 31.A film is 4 hours 25 minutes long. How many minutes is that?
32. 32.A film is 4 hours 5 minutes long. How many minutes is that?
33. 33.Write 6:45 a.m. in 24-hour time. (a) 18:45 (b) 08:45 (c) 06:45
34. 34.A train leaves at 06:35 and reaches at 08:00. How long is the journey (in minutes)?
35. 35.A train leaves at 17:15 and reaches at 17:40. How long is the journey (in minutes)?
36. 36.What is 04:25 in 12-hour time? (a) 4:25 p.m. (b) 4:25 a.m. (c) 6:25 a.m.
37. 37.What is 04:20 in 12-hour time? (a) 6:20 a.m. (b) 4:20 a.m. (c) 4:20 p.m.
38. 38.What is 22:05 in 12-hour time? (a) 12:05 p.m. (b) 10:05 p.m. (c) 10:05 a.m.
39. 39.How many hours are there from 10:00 to 19:00?
40. 40.What is 11:50 in 12-hour time? (a) 11:50 p.m. (b) 11:50 a.m. (c) 1:50 a.m.

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