Someone on another site just posted this:
New Years holiday fiat withdrawals:
The deadline for sending fiat withdrawals is no later than Thursday, December 28th 2017 at 3 PM (JST). Withdrawal requests made after this cutoff time will not be processed until January 4th.
New Years holiday fiat deposits:
The deadline for receiving fiat deposits is Thursday, December 28th 2017 at 11:59PM (JST). Deposits not received by this time will not be received until after Thursday, January 4th. Please note that we cannot guarantee that deposits sent before this day will be received by the cut-off time.
Thank you for your understanding.
The Kraken Team