Including the start and end dates in the calculation, there are 610 days between the two dates.
760 days.
Savage - 2009 I was released on: USA: 18 March 2009 UK: 11 July 2011 (DVD premiere)
sometime between march and July it said
256 days.
Lie to Me - 2009 Delinquent 2-16 was released on: USA: 19 July 2010 Germany: 19 January 2011 Japan: 18 March 2011 (DVD premiere) Hungary: 25 July 2011
The Cleveland Show - 2009 The Way the Cookie Crumbles 2-16 was released on: USA: 13 March 2011 USA: 13 March 2011 Hungary: 19 July 2011
90210 - 2008 Life's a Drag 1-17 was released on: Canada: 31 March 2009 USA: 31 March 2009 Netherlands: 21 July 2009 Germany: 8 August 2009 Hungary: 7 November 2009 Japan: 24 July 2010 Australia: 2 July 2011
Southland - 2009 Two Gangs 1-5 was released on: Canada: 7 May 2009 USA: 7 May 2009 Finland: 23 March 2011 Hungary: 7 July 2011 Belgium: 15 July 2012
United States of Tara - 2009 Pilot 1-1 was released on: USA: 18 January 2009 Spain: 27 April 2009 Australia: 29 July 2009 Hungary: 4 August 2009 Germany: 4 March 2011 Japan: 2 July 2011 Finland: 29 August 2011
Royal Pains - 2009 The Honeymoon's Over 1-8 was released on: USA: 30 July 2009 Australia: 4 April 2010 Japan: 7 September 2010 Hungary: 6 November 2010 Finland: 4 March 2011 Germany: 5 July 2011 Belgium: 31 July 2011
The Beast - 2009 The Walk In 1-9 was released on: USA: 19 March 2009 Ireland: 28 July 2009 Germany: 11 March 2010 Japan: 11 March 2010 Hungary: 6 March 2011 Finland: 29 March 2013 Netherlands: 28 February 2014
Eli Stone - 2008 Tailspin 2-12 was released on: Ireland: 27 March 2009 UK: 30 March 2009 Germany: 2 April 2009 Australia: 21 April 2009 USA: 4 July 2009 Hungary: 19 December 2009 Japan: 11 July 2011