From Longman Dictionary of Contemporary Englishclosing dateˈclosing ˌdate noun [countable] LASTthe last date on which it is possible to do somethingclosing date for The closing date for applications is 6 August.
Examples from the Corpus
closing date• A target closing date has been set for January 1,1999.• Any entries made after the closing date will be disqualified.• Winners will be drawn from all the entries received before the closing date, 14 December 1992.• And providing you are eligible and you reply by the closing date, your acceptance into the Personal Accident Plan is guaranteed.• The closing date on the deal is set for August 6.• The closing date for applications is 1 December 1990.From Longman Business Dictionaryclosing dateˈclosing date the last date when it is possible to do something, especially to send something to an organizationThe closing date for applications is 7 December 2007. → date 