http://eu.finalfantasyxiv.com/lodest...83e2a1b695dc93

Text from the link

At the following time, in order to accompany patch 2.41, we will be performing maintenance on all Worlds. During this period, FINAL FANTASY XIV: A Realm Reborn will be unavailable.

* The World Transfer Service will be suspended 15 minutes before maintenance begins, and will be unavailable until maintenance has ended.

We apologise for any inconvenience this may cause and thank you for your understanding.

[Date & Time]
Nov. 18, 2014 from 6:00 to 11:00 (GMT)

* The completion time may be subject to change.

[Affected Service]
- FINAL FANTASY XIV: A Realm Reborn

Speculation?