But you simply can't. Not even Spanner (Google's globally distributed db that's using that fancy GPS based clock) doesn't pretend that the clock's are actually

But you simply can't. Not even Spanner (Google's globally distributed db that's using that fancy GPS based clock) doesn't pretend that the clock's are actually synchronized. https://queue.acm.org/detail.cfm?id=2745385 https://queue.acm.org/detail.cfm?id=2745385