Patent ID: 7733743

Claim:
A comprehensive time determining system, comprising: a) a base section comprising a list of geographical locations located on a periphery thereof, said base section further including a plurality of time zones associated with said geographical locations, said time zones being presented on a time strip on said base section, said list of geographical locations on said base section including locations using standard time only; b) a first movable section comprising a northern hemisphere portion and a southern hemisphere portion, said northern hemisphere portion and said southern hemisphere portion being each independently movable relative to said base section, said northern hemisphere portion comprising a list of northern hemisphere geographical locations, said southern hemisphere portion comprising a list of southern hemisphere geographical locations, said lists on said first movable sections containing locations using dual time, said northern hemisphere portion and said southern hemisphere portion being movable to select a desired position depending on the season, said first movable section being so arranged and constructed to allow the user to be able to view said time strip located on said base section; and, c) a second movable section comprising a rotatable dial, said dial being rotatable relative to said base section and to said first movable section, said dial comprising evenly spaced markers positioned about a periphery thereof representing the hours in a day, wherein, said base section is circular, and said northern hemisphere portion and said southern hemisphere portion are each presented as a partial segment of a circle, said northern hemisphere portion and said southern hemisphere portion being adjustably mounted on said base section; and, wherein during use, an operator selects a location on either said base section or said first movable section and adjusts said first movable section depending on the season, and sets said dial so that a reference time on said dial element is set to a reference time on said time strip, and can then use said evenly spaced markers on said dial to determine time at any selected geographical location on said base section or first movable section.