Ancient Tempus Fugit

This powerful illusion affects the minds and bodies of all those within the area of effect. The spell causes those affected to perceive the passage of time in a much faster manner. Those entering this area after the casting is completed are similarly affected. Every 10 minutes spent under the tempus fugit spell seems like a full hour to those within its area of effect. Because of this, all functions of affected individuals are sped up accordingly. They must eat, sleep, and so forth according to an accelerated rate. The duration of other spells cast within the tempus fugit area are also sped up accordingly. One hour is as six to them, four hours a full day. This acceleration of time allows rest, renewal of spells, and recovery of hit
points lost.

If desired, the spell caster can reverse the spell so that time is slowed for the individuals: An hour will seem as only a turn, a day merely four hours. Reversal requires no special preparation. In either case, the magic-user is also affected by the spell. Under the reverse, the effects will always last at least one turn after the caster desires its dispelling, because their reactions are so greatly slowed. like action.