Quote Originally Posted by Kurald Galain View Post
I seriously doubt that. Out of many, many RPGs on the market, the only ones that seem to have the 15-minute-workday problem are 3E, 4E and their direct derivatives.
That could be because aside from D&D-likes you almost never see "per day" resource systems. You see "per session", "per scene", and "per adventure" resources but those work out because the GM decides the length of those.