The 15th (JST) of every month is Let's Go! Vana'diel Day, an event to celebrate the fifteenth anniversary of FINAL FANTASY XI!
For twenty-four hours only, a little change or two will arrive in Vana'diel. Enjoy a day where something happens to spice up your adventuring life.

Event Period: Saturday, April 14, at 8:00 a.m. (PDT) to Sunday, April 15, at 7:59 a.m.

Read on for details.