Reading xls date in php

Excel stores dates and times as a number representing the number of days since 1900-Jan-0, plus a fractional portion of a 24 hour day:ddddd.tttttt . This is called a serial date, or serial date-time.

$date = date_create(30-12-1899);date_add($date, date_interval_create_from_date_string('42403 days'));echo date_format($date, Y-m-d);