Too bad resets change the time so you can't just do some math and expect the ig time to be something based on when you logged in yesterday. Why, if that was possible, the OP's actual proposal would even be possible.
When the server resets, I *think* the time stays approximately the same, although it may change slightly. I've never noticed, for example, a server reset changing the time to midnight or something like that. Several facets of the server state are carried through the reset such as spawn rate, are they not? That's what I've always gathered from previous discussions. So time could be one of those things.
That may be possible only in a voluntary reset, but not in a crash.
Still, during server startup I assume several scripts fire, rather than just the vanilla NWN server launch. During that process an update of the in-game time could occur, for example, at this Web page:
http://www.nwnravenloft.com/serverstatus.phpThere's an easy enough work-around for players as is without "rolling the dice." If you wish to know what time it is, you must have the capacity to log in, or I can't think of a reason for wanting to know. Presumably, then, you don't wish to log in with your PC in a dangerous spot.
So log in with a different character that you are certain is safe