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Time zone - wikipedia, A time zone region globe observes uniform standard time legal, commercial, social purposes. time zones tend follow boundaries . https://en.wikipedia.org/wiki/Time_zone Time date, Time date information dates times local region area world. research times globe, review time zone map. http://www.timeanddate.com/ Time zone menu - timeanddate., Plan meetings phone calls time zones interactive time zone map, time difference calculator, daylight saving time schedule, event time announcer. http://www.timeanddate.com/time/