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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 527 · 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 match starts at 17:20 and lasts 3 hours 15 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 21:35
  2. 2.A film is 3 hours 35 minutes long. How many minutes is that?
  3. 3.Write 10:50 a.m. in 24-hour time. (a) 22:50 (b) 12:50 (c) 10:50
  4. 4.How many hours are there from 10:00 to 18:00?
  5. 5.A match starts at 15:55 and lasts 2 hours 5 minutes. At what time does it end? (a) 18:00 (b) 19:00 (c) 17:00
  6. 6.What is 15:10 in 12-hour time? (a) 3:10 p.m. (b) 3:10 a.m. (c) 5:10 p.m.
  7. 7.A film is 1 hour 5 minutes long. How many minutes is that?
  8. 8.A film is 2 hours 15 minutes long. How many minutes is that?
  9. 9.A film is 3 hours 10 minutes long. How many minutes is that?
  10. 10.A train leaves at 19:00 and reaches at 21:10. How long is the journey (in minutes)?
  11. 11.How many hours are there from 11:00 to 15:00?
  12. 12.A train leaves at 10:45 and reaches at 12:30. How long is the journey (in minutes)?
  13. 13.A train leaves at 08:30 and reaches at 11:30. How long is the journey (in minutes)?
  14. 14.A match starts at 12:50 and lasts 4 hours. At what time does it end? (a) 17:50 (b) 15:50 (c) 16:50
  15. 15.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 19:20 (c) 07:20
  16. 16.A match starts at 14:40 and lasts 1 hour. At what time does it end? (a) 16:40 (b) 14:40 (c) 15:40
  17. 17.Write 3:30 p.m. in 24-hour time. (a) 03:30 (b) 17:30 (c) 15:30
  18. 18.How many hours are there from 05:00 to 14:00?
  19. 19.How many hours are there from 05:00 to 07:00?
  20. 20.Write 9:30 p.m. in 24-hour time. (a) 09:30 (b) 21:30 (c) 23:30
  21. 21.Write 1:55 a.m. in 24-hour time. (a) 03:55 (b) 13:55 (c) 01:55
  22. 22.How many hours are there from 08:00 to 19:00?
  23. 23.What is 17:45 in 12-hour time? (a) 5:45 a.m. (b) 7:45 p.m. (c) 5:45 p.m.
  24. 24.What is 19:15 in 12-hour time? (a) 7:15 p.m. (b) 9:15 p.m. (c) 7:15 a.m.
  25. 25.How many hours are there from 06:00 to 21:00?
  26. 26.How many hours are there from 08:00 to 21:00?
  27. 27.A film is 4 hours 50 minutes long. How many minutes is that?
  28. 28.How many hours are there from 09:00 to 13:00?
  29. 29.A film is 3 hours 5 minutes long. How many minutes is that?
  30. 30.A train leaves at 10:50 and reaches at 13:35. How long is the journey (in minutes)?
  31. 31.A film is 1 hour 40 minutes long. How many minutes is that?
  32. 32.Write 5:55 a.m. in 24-hour time. (a) 05:55 (b) 07:55 (c) 17:55
  33. 33.How many hours are there from 05:00 to 09:00?
  34. 34.A film is 1 hour 20 minutes long. How many minutes is that?
  35. 35.Write 7:55 p.m. in 24-hour time. (a) 21:55 (b) 19:55 (c) 07:55
  36. 36.How many hours are there from 06:00 to 09:00?
  37. 37.A film is 2 hours 45 minutes long. How many minutes is that?
  38. 38.Write 5:00 a.m. in 24-hour time. (a) 05:00 (b) 17:00 (c) 07:00
  39. 39.Write 4:00 a.m. in 24-hour time. (a) 16:00 (b) 04:00 (c) 06:00
  40. 40.How many hours are there from 07:00 to 11:00?

Answer key

  1. 20:35
  2. 215
  3. 10:50
  4. 8
  5. 18:00
  6. 3:10 p.m.
  7. 65
  8. 135
  9. 190
  10. 130
  11. 4
  12. 105
  13. 180
  14. 16:50
  15. 07:20
  16. 15:40
  17. 15:30
  18. 9
  19. 2
  20. 21:30
  21. 01:55
  22. 11
  23. 5:45 p.m.
  24. 7:15 p.m.
  25. 15
  26. 13
  27. 290
  28. 4
  29. 185
  30. 165
  31. 100
  32. 05:55
  33. 4
  34. 80
  35. 19:55
  36. 3
  37. 165
  38. 05:00
  39. 04:00
  40. 4

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