Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 104 · 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 train leaves at 18:10 and reaches at 21:30. How long is the journey (in minutes)?
2. 2.How many hours are there from 06:00 to 11:00?
3. 3.A film is 3 hours 10 minutes long. How many minutes is that?
4. 4.A match starts at 09:05 and lasts 1 hour 50 minutes. At what time does it end? (a) 09:55 (b) 11:55 (c) 10:55
5. 5.A match starts at 15:40 and lasts 2 hours 40 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 19:20
6. 6.A film is 3 hours 5 minutes long. How many minutes is that?
7. 7.A film is 1 hour 10 minutes long. How many minutes is that?
8. 8.Write 1:50 a.m. in 24-hour time. (a) 13:50 (b) 01:50 (c) 03:50
9. 9.How many hours are there from 10:00 to 12:00?
10. 10.What is 18:20 in 12-hour time? (a) 8:20 p.m. (b) 6:20 p.m. (c) 6:20 a.m.
11. 11.A film is 4 hours 20 minutes long. How many minutes is that?
12. 12.A match starts at 06:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 08:15 (b) 09:15 (c) 07:15
13. 13.A train leaves at 18:15 and reaches at 20:45. How long is the journey (in minutes)?
14. 14.A train leaves at 13:50 and reaches at 14:35. How long is the journey (in minutes)?
15. 15.A match starts at 17:20 and lasts 2 hours 20 minutes. At what time does it end? (a) 20:40 (b) 19:40 (c) 18:40
16. 16.Write 1:55 a.m. in 24-hour time. (a) 13:55 (b) 01:55 (c) 03:55
17. 17.Write 3:05 a.m. in 24-hour time. (a) 05:05 (b) 03:05 (c) 15:05
18. 18.What is 20:20 in 12-hour time? (a) 10:20 p.m. (b) 8:20 p.m. (c) 8:20 a.m.
19. 19.Write 3:20 a.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 05:20
20. 20.A match starts at 09:10 and lasts 1 hour 5 minutes. At what time does it end? (a) 10:15 (b) 11:15 (c) 09:15
21. 21.What is 22:15 in 12-hour time? (a) 10:15 p.m. (b) 10:15 a.m. (c) 12:15 p.m.
22. 22.A film is 2 hours 40 minutes long. How many minutes is that?
23. 23.A match starts at 18:35 and lasts 3 hours 15 minutes. At what time does it end? (a) 21:50 (b) 22:50 (c) 20:50
24. 24.A match starts at 08:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 09:35
25. 25.A train leaves at 09:20 and reaches at 10:05. How long is the journey (in minutes)?
26. 26.A train leaves at 09:00 and reaches at 11:00. How long is the journey (in minutes)?
27. 27.A train leaves at 06:25 and reaches at 08:35. How long is the journey (in minutes)?
28. 28.Write 6:10 a.m. in 24-hour time. (a) 08:10 (b) 18:10 (c) 06:10
29. 29.A film is 2 hours 25 minutes long. How many minutes is that?
30. 30.What is 10:00 in 12-hour time? (a) 12:00 a.m. (b) 10:00 a.m. (c) 10:00 p.m.
31. 31.A train leaves at 14:40 and reaches at 16:40. How long is the journey (in minutes)?
32. 32.A match starts at 12:00 and lasts 4 hours 20 minutes. At what time does it end? (a) 15:20 (b) 16:20 (c) 17:20
33. 33.A match starts at 07:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 10:45 (b) 12:45 (c) 11:45
34. 34.Write 4:40 a.m. in 24-hour time. (a) 04:40 (b) 06:40 (c) 16:40
35. 35.A match starts at 15:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 18:55 (b) 16:55 (c) 17:55
36. 36.Write 10:10 p.m. in 24-hour time. (a) 10:10 (b) 22:10 (c) 00:10
37. 37.A match starts at 17:35 and lasts 2 hours 35 minutes. At what time does it end? (a) 19:10 (b) 21:10 (c) 20:10
38. 38.How many hours are there from 12:00 to 19:00?
39. 39.Write 1:30 p.m. in 24-hour time. (a) 13:30 (b) 15:30 (c) 01:30
40. 40.A train leaves at 09:40 and reaches at 12:05. How long is the journey (in minutes)?

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