For big titles like Super Mario Galaxy and Metroid Other M, Nintendo of Australia gave release dates like "mid-year".
Super Mario Galaxy 2 will be released in North America on May 23, but won't be out in Europe until May 23.
Metroid: Other M will be out in North America on June 27, but Nintendo dated the game for "third quarter" in Europe.
Monster Hunter Tri will be out in Europe on April 23, but will be released 3 days earlier on April 20 in North America.
Sin & Punishment: 2 will be released in North America as Sin & punishment: Star Successor on June 7. The game will be out earlier in Europe, getting released on May 7.