Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 852 · 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 05:00 to 21:00?
2. 2.A match starts at 17:20 and lasts 1 hour 15 minutes. At what time does it end? (a) 17:35 (b) 19:35 (c) 18:35
3. 3.A film is 1 hour 10 minutes long. How many minutes is that?
4. 4.A match starts at 09:00 and lasts 1 hour 25 minutes. At what time does it end? (a) 11:25 (b) 09:25 (c) 10:25
5. 5.Write 4:55 p.m. in 24-hour time. (a) 18:55 (b) 04:55 (c) 16:55
6. 6.A train leaves at 15:10 and reaches at 16:10. How long is the journey (in minutes)?
7. 7.A match starts at 11:25 and lasts 4 hours 45 minutes. At what time does it end? (a) 16:10 (b) 15:10 (c) 17:10
8. 8.How many hours are there from 10:00 to 15:00?
9. 9.Write 8:40 a.m. in 24-hour time. (a) 10:40 (b) 08:40 (c) 20:40
10. 10.A train leaves at 08:10 and reaches at 10:55. How long is the journey (in minutes)?
11. 11.What is 13:50 in 12-hour time? (a) 1:50 p.m. (b) 1:50 a.m. (c) 3:50 p.m.
12. 12.What is 16:45 in 12-hour time? (a) 6:45 p.m. (b) 4:45 p.m. (c) 4:45 a.m.
13. 13.A train leaves at 11:55 and reaches at 12:45. How long is the journey (in minutes)?
14. 14.A train leaves at 11:15 and reaches at 14:30. How long is the journey (in minutes)?
15. 15.How many hours are there from 07:00 to 10:00?
16. 16.A train leaves at 10:15 and reaches at 11:15. How long is the journey (in minutes)?
17. 17.A train leaves at 12:25 and reaches at 14:50. How long is the journey (in minutes)?
18. 18.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 5:50 a.m. (c) 3:50 a.m.
19. 19.A film is 2 hours 5 minutes long. How many minutes is that?
20. 20.What is 06:45 in 12-hour time? (a) 6:45 a.m. (b) 8:45 a.m. (c) 6:45 p.m.
21. 21.A film is 4 hours 35 minutes long. How many minutes is that?
22. 22.A train leaves at 17:50 and reaches at 19:25. How long is the journey (in minutes)?
23. 23.Write 9:25 p.m. in 24-hour time. (a) 23:25 (b) 09:25 (c) 21:25
24. 24.A train leaves at 15:45 and reaches at 17:10. How long is the journey (in minutes)?
25. 25.A train leaves at 11:05 and reaches at 13:50. How long is the journey (in minutes)?
26. 26.A film is 2 hours 40 minutes long. How many minutes is that?
27. 27.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 04:00
28. 28.What is 14:30 in 12-hour time? (a) 2:30 p.m. (b) 2:30 a.m. (c) 4:30 p.m.
29. 29.How many hours are there from 05:00 to 08:00?
30. 30.Write 3:50 p.m. in 24-hour time. (a) 17:50 (b) 15:50 (c) 03:50
31. 31.A match starts at 10:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 13:05 (b) 15:05 (c) 14:05
32. 32.How many hours are there from 06:00 to 14:00?
33. 33.A match starts at 13:10 and lasts 3 hours 5 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15
34. 34.A film is 3 hours 50 minutes long. How many minutes is that?
35. 35.A film is 3 hours 10 minutes long. How many minutes is that?
36. 36.What is 10:00 in 12-hour time? (a) 10:00 a.m. (b) 10:00 p.m. (c) 12:00 a.m.
37. 37.Write 8:35 p.m. in 24-hour time. (a) 22:35 (b) 08:35 (c) 20:35
38. 38.Write 1:40 a.m. in 24-hour time. (a) 03:40 (b) 13:40 (c) 01:40
39. 39.A train leaves at 17:20 and reaches at 18:40. How long is the journey (in minutes)?
40. 40.Write 8:45 p.m. in 24-hour time. (a) 08:45 (b) 22:45 (c) 20:45

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