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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 459 · 40 sums
TalentJR

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.

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

Answer key

  1. 35
  2. 15
  3. 3:00 a.m.
  4. 8
  5. 19:35
  6. 3:40 p.m.
  7. 65
  8. 95
  9. 6
  10. 5:20 p.m.
  11. 80
  12. 6:10 a.m.
  13. 8
  14. 120
  15. 2
  16. 5:40 p.m.
  17. 7:50 p.m.
  18. 105
  19. 13:15
  20. 07:35
  21. 12
  22. 245
  23. 4:45 a.m.
  24. 19:55
  25. 9:30 a.m.
  26. 6
  27. 6:05 p.m.
  28. 19:05
  29. 8:25 a.m.
  30. 19:00
  31. 3
  32. 190
  33. 130
  34. 3:05 a.m.
  35. 5:10 p.m.
  36. 85
  37. 210
  38. 4
  39. 9
  40. 110

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