This occurs in G2k1, the answer: no one gives a damn about whether the rest have day/night on or off. PKers still PK as if day/night didn't matter. The newbs run or fight, as if day/night didn't matter. Overall, the idea is good (I LOVE the tvern idea
)
Solution: if you can or can't see your assilant, RUN! or don't be on bmode.