That's 1600-2200gmt.Bioware front page wrote:BioWare Scheduled Internet Downtime BioWare Scheduled Internet Downtime
[Aug 11 2006] BioWare's websites, the NWN Master Server, and NWN Online Authentication will experience intermittent interruptions Saturday August 12, 2006 from 10am to 4pm MT as we perform network maintenance. We apologize for the inconvenience.
If the MS goes away while you're logged in, you won't notice a thing. If you try to portal, get disconnected or crash, then you will not be able to log in until the Master Server returns. Due to security reasons there's not much else we can do about this. We will not change our configuration.