Gran Turismo Helmets When Is The Official Date Of Gran Turismo 5 The Official Game?

When is the official date of Gran Turismo 5 the official game? - gran turismo helmets

What is the official date for Gran Turismo 5.I see different dates here and there. I see 2.2009 in February, 25 September 2009, ND April 12.2009 I want to know Wat is the official date for this game