A year is 365.25 days in ruby

November 6th, 2009

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>> 1.year.to_i / 1.day.to_i
=> 365
>> 1.year.to_f / 1.day.to_f
=> 365.25

Which makes quick and dirty calculations like age = (Time.now - birthdate) / 1.year slightly more accurate than one might expect.

Posted by laurel Filed in Code

1 Response to “A year is 365.25 days in ruby”

  1. Eric Hodel Says:
    November 6th, 2009 at 07:32 PM It would be nice if Rails did this properly like Date does: Date.parse('2010-11-06') - Date.parse('2009-11-06') # => Rational(365, 1) Date.parse('2012-11-06') - Date.parse('2011-11-06') # => Rational(366, 1)

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