title: Convert a Julian date in MySQL to Gregorian date for multiple rows
body: <p>In my MySQL database I have one column (text) with about 2000 rows. In each row I have a Julian date (like 2457268 for 2015-09-02).</p>
  
  <p>Looking for a solution to update all rows from Julian to Gregorian.</p>
  
  <p>Any way to do this in either SQL or PHP?</p>