This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
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Locale & Internationalization
 
$CharacterEncoding resettable default character encoding
$SystemCharacterEncoding operating system character encoding
Language
$Language resettable default list of languages for information, messages, spelling, etc.
$TimeZone resettable default time zone
DateString dates and times with specified formats, in any time zone
$DateStringFormat resettable default date and time format
AbsoluteTime  ▪ DateList  ▪ ...
$GeoLocation settable current geodetic location
FindGeoLocation try to find the current location using GPS, geoIP, etc.
NumberForm output with specified number formatting
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