Global Shinkai Day 2011 will be held on the 12th of March.
Crunchyroll are spearheading preparations with their brand-new DVD release of Shinkai’s most recent film, 5 Centimetres Per Second. The site is also running a competition in which one talented fan can win an autographed poster featuring Shinkai’s upcoming project Hoshi o Ou Kodomo (check this page for details on how to enter).
In addition to Crunchyroll, I’m keeping a watchful eye on the Shinkai fan forum Cherry Blossoms Falling for more information as the event approaches.
Note: For broader coverage, this post has also been published on Wolf Hurricane. Mark your calendars and spread the word, comrades.