(Edit: The thread title is wrong and I can't change it. Sorry, it was late, I typoed. Help mods?)
(Long story short, you can't play Wednesday or Thursday night.)
Maintenance: Jun 27 WED 10pm ET - Jun 29 Fri 1am ET
Hey, figured I'd put this here for the people who are playing, since there's no good English language way to get the news out. Spotted this on the news page: http://pso2.jp/players/
Full google-translated text:
Temporary Server Maintenance Notice 6/28
Because of the drastic measure of communication delay, at the following plan, perform extraordinary maintenance of the game server.
special maintenance planned period 6/28 (Thu) 11:00 - 6/29 (Fri) 14:00 [Japan Time -drw]
Because of the drastic measure of communication delay, make the strengthening of the database server equipment.
Until there is a maintenance termination notice, please do not attempt to connect to the game server.
In addition, end time, but maintenance has been scheduled for 14:00 on Friday 29 June, please note that may change, depending on the situation.
We apologize to everyone is that the very apologize for any inconvenience.
That last line is definitely the best.