LocalTimeZone

LocalTimeZone[] gives the current time zone for the current geo location.

LocalTimeZone[loc] gives the current time zone for the geo location specified by loc.

LocalTimeZone[loc, date] gives the time zone for the geo location loc on the specified date.

LocalTimeZone[loc, date, "prop"] gives the specified property of the time zone.

Examples

Get the current local time zone:

LocalTimeZone[]
(* "America/New_York" *)

Please visit the official Wolfram Language Reference for more details.