TODAY
This answer is only valid on 30 may 2013; on 31 May 2013 the answer will require 9 letters. T-O-D-A-Y.
There were 31 days in May 2013.
omg Insider - 2013 2013-05-31 was released on: USA: 31 May 2013
Yeh Jawaani Hai Deewani - 2013 was released on: Kuwait: 30 May 2013 India: 31 May 2013 Ireland: 31 May 2013 Netherlands: 31 May 2013 UK: 31 May 2013 France: 16 June 2013 (Lyon Festival Bollywood India) USA: 16 October 2013 (Hawaii Film Festival)
The 3 Minute Update - 2012 May 31 2013 2-150 was released on: USA: 31 May 2013
Bridezillas - 2004 - 2013-05-31 was released on: USA: 31 May 2013
Extra - 1994 2013-05-31 was released on: USA: 31 May 2013
The View - 1997 2013-05-31 was released on: USA: 31 May 2013
Today - 1952 2013-05-31 was released on: USA: 31 May 2013
Bridezillas - 2004 2013-05-31 was released on: USA: 31 May 2013
Rome - 2012 2013-05-31 was released on: USA: 31 May 2013
Home and Family - 2012 2013-05-31 was released on: USA: 31 May 2013