You can either travel within your region or make another character in a region more friendly to your time zone.
The infrastructure is not set up for cross-data-center instances.

And it's very unlikely it ever will be, respecially since what you are asking would mean that the matching server and instance servers would need to handle the population of seventy seven worlds instead of their cozy set of eight. And as the occasional issue reports show, if the instance server or matching server croaks, the whole logical data center is sol.