All commerce, account, and login systems will be impacted.

Sony Online Entertainment has announced maintenance beginning at 7:00 AM Pacific on June 18, 2013. This will impact the following services:

• Account management will be unavailable for 30 minutes.
• Commerce transactions, including purchases on our websites and in-game marketplaces, will fail until 7:30 AM Pacific Time.
• Pay Pal and SMS Transactions will fail until 9 AM Pacific Time.
• Login for all SOE forums may be affected. You may lose permissions and experience occasional disconnects from 7 AM Pacific until 9 AM Pacific.
• Login for all SOE games may be affected from 7 AM Pacific until 9 AM Pacific.
• Players who are already logged into game may be disconnected and unable to log back in until 9 AM PDT.

Here's our handy Time Zone Conversion Tool top help you plan.