The 2005 fiscal year ending March 31, 2005 for Nintendo and Sony and June 30, 2005 for Microsoft.
Nintendo forecast for GameCube - 4.50 -> 4.00 (adjusted Sept 2004, then Dec 2004) http://www.nintendo.co.jp/ir/pdf/2005/050526e.pdf
http://www.nintendo.co.jp/ir/pdf/2004/040728e.pdf
http://www.nintendo.co.jp/ir/pdf/2004/041125e.pdf http://www.nintendo.co.jp/ir/pdf/2005/050126e.pdf