Taken from here and here, WP games will undergo changes under the following dates:
1 November 2015 (completed)
[Sunday at 1:50am PDT, Sunday at 4:50pm PHT]
All game servers will be taken down for a brief restart to accommodate the daylight saving time change.
15,16,17 November 2015 (completed)
[Starts Sunday at 3pm PST, Monday at 7am PHT]
WP games are moving to a new home, this will start on the 15th of Nov and ends on the 17th. It is estimated up to 48 hours for the hardware to move to the new location, during the move access to WP games and websites will not be possible. Games and servers will be going down at 3pm PST.
For iRO1 updates will be posted on Ragnarok Online official Facebook page.
Please note, times and dates are subject to change. Will keep you updated!
Update: Servers transfer has completed and iRO1 went online around 4:30pm PST 16th of Nov.
Edited by VModCinnamon, 16 November 2015 - 03:53 PM.