Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 671 · 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.What is 02:00 in 12-hour time? (a) 2:00 a.m. (b) 4:00 a.m. (c) 2:00 p.m.
2. 2.A film is 1 hour 15 minutes long. How many minutes is that?
3. 3.A train leaves at 13:45 and reaches at 14:55. How long is the journey (in minutes)?
4. 4.A train leaves at 15:50 and reaches at 17:45. How long is the journey (in minutes)?
5. 5.How many hours are there from 11:00 to 19:00?
6. 6.Write 6:20 p.m. in 24-hour time. (a) 20:20 (b) 18:20 (c) 06:20
7. 7.A train leaves at 08:45 and reaches at 10:40. How long is the journey (in minutes)?
8. 8.A film is 3 hours 45 minutes long. How many minutes is that?
9. 9.A train leaves at 15:35 and reaches at 17:50. How long is the journey (in minutes)?
10. 10.How many hours are there from 09:00 to 13:00?
11. 11.Write 3:30 a.m. in 24-hour time. (a) 03:30 (b) 05:30 (c) 15:30
12. 12.How many hours are there from 12:00 to 15:00?
13. 13.How many hours are there from 11:00 to 21:00?
14. 14.How many hours are there from 10:00 to 13:00?
15. 15.A match starts at 08:45 and lasts 2 hours. At what time does it end? (a) 10:45 (b) 09:45 (c) 11:45
16. 16.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
17. 17.A match starts at 16:05 and lasts 3 hours 10 minutes. At what time does it end? (a) 20:15 (b) 18:15 (c) 19:15
18. 18.How many hours are there from 11:00 to 23:00?
19. 19.Write 2:55 a.m. in 24-hour time. (a) 02:55 (b) 14:55 (c) 04:55
20. 20.Write 1:55 p.m. in 24-hour time. (a) 15:55 (b) 13:55 (c) 01:55
21. 21.How many hours are there from 08:00 to 14:00?
22. 22.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 10:20
23. 23.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 6:10 p.m. (c) 4:10 p.m.
24. 24.A match starts at 13:15 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:10 (b) 16:10 (c) 17:10
25. 25.What is 11:25 in 12-hour time? (a) 11:25 a.m. (b) 11:25 p.m. (c) 1:25 a.m.
26. 26.What is 03:35 in 12-hour time? (a) 3:35 p.m. (b) 3:35 a.m. (c) 5:35 a.m.
27. 27.How many hours are there from 05:00 to 10:00?
28. 28.A match starts at 12:25 and lasts 2 hours. At what time does it end? (a) 13:25 (b) 14:25 (c) 15:25
29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
30. 30.A match starts at 16:10 and lasts 2 hours 35 minutes. At what time does it end? (a) 17:45 (b) 18:45 (c) 19:45
31. 31.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 15:55 (c) 03:55
32. 32.How many hours are there from 09:00 to 18:00?
33. 33.A train leaves at 12:50 and reaches at 13:25. How long is the journey (in minutes)?
34. 34.What is 04:45 in 12-hour time? (a) 4:45 a.m. (b) 4:45 p.m. (c) 6:45 a.m.
35. 35.A film is 1 hour 50 minutes long. How many minutes is that?
36. 36.A train leaves at 08:10 and reaches at 09:20. How long is the journey (in minutes)?
37. 37.A train leaves at 16:00 and reaches at 16:35. How long is the journey (in minutes)?
38. 38.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
39. 39.A train leaves at 17:20 and reaches at 19:15. How long is the journey (in minutes)?
40. 40.A match starts at 15:10 and lasts 3 hours 55 minutes. At what time does it end? (a) 18:05 (b) 20:05 (c) 19:05

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