title: Laravel excel maatwebsite 3.1 import, date column in excel cell returns as unknown format number. How to solve this?
body: <p>By using Maatwebsite/Laravel-Excel version 3.1 to import excel sheet, here I faced an issue date time column of the excel sheet returns unknown number. How to solve this? Example : Consider Cell value "29/07/1989" and returns as "32178" when import.</p>