Including the start and end dates in the calculation, there are 278 days between the two dates.
8
August 2010
605 days between March 23 2009 and November 18 2010.
74 weeks between June 1 2009 until November 1 2010.
90210 - 2008 Between a Sign and a Hard Place 1-20 was released on: Canada: 21 April 2009 USA: 21 April 2009 Netherlands: 11 August 2009 Hungary: 28 November 2009 Japan: 14 August 2010 Germany: 13 September 2010
From and including: Saturday, 29 August 2009 to, and including: Friday, 6 August 2010 it is 343 days.
The Vampire Diaries - 2009 History Repeating 1-9 was released on: Canada: 12 November 2009 USA: 12 November 2009 Australia: 23 November 2009 Germany: 17 March 2010 UK: 23 March 2010 Netherlands: 28 March 2010 Hungary: 27 August 2010 Ireland: 29 September 2010 Japan: 17 August 2011 (Blu-ray and DVD premiere) Serbia: 24 November 2011
The total number of days between Sunday, November 1st, 2009 and Friday, January 8th, 2010 is 68 days.
Including the start and end days in the calculation, the difference between January 20, 2009 and August 3, 2010 is 560 days.
New Super Mario Bros. Wii - 2009 - VG was released on: Australia: 12 November 2009 USA: 15 November 2009 France: 20 November 2009 Germany: 20 November 2009 UK: 20 November 2009 Japan: 3 December 2009 Hong Kong: 3 July 2010 Taiwan: 3 July 2010 South Korea: 7 August 2010
The Yu-Gi-Oh tins cover image are the following: Number 17: Leviatan Dragon (August 30, 2011) Wind-Up Zeinmaister (August 30, 2011) Galaxy-Eyes Photon Dragon (November 1, 2011) Number 10: Illumiknight (November 1, 2011) Majestic Red Dragon (August 31, 2010) Black Winged Dragon (August 31, 2010) Dragon Knight Draco-Equiste (November 2, 2010) Shooting Star Dragon (November 2, 2010) Red Nova Dragon (November 2, 2010) Power Tool Dragon (August 12, 2009) Ancient Fairy Dragon (August 12, 2009) Majestic Star Dragon (November 3, 2009) Wiraqocha Rasca (November 3, 2009) Stardust Dragon (August 18, 2008) Red Dragon Archifiend (August 18, 2008) Black Rose Dragon (November 3, 2008) Turbo Warrior (November 3, 2008).
96 days.