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TZenvronment variable. Many software programs supporting Time Zones and international time formats, make use of this setting. It takes care of the hours and minutes offsets, of the winter time offset policy (which changes from a country to another), and also of the Date shift (plus or minus one day).
/usr/share/zoneinfo/Here are some typical example how to set this
TZfor you. replace "America/New_York" with the appropriate timezone
|Bourne shell family, such as sh, bash, Korn shells, and also Zsh:||
|C-Shell, csh and tcsh:||
|From a perl script:||
%ENV is a global hash, directly tied to the environment.
|From a ruby script:||
This affects the environment directly.
|From a python script:||
|In Standard C:||
Or better and safer:
|From inside PostGreSQL:||
To display it:
SQL syntax for SET
Date-time support in PostGreSQL
Time zone list from PostGreSQL's manual.
rootr.net's PostGreSQL FAQ
|From a PHP script:||
|From Inside MySQL:||There is no easy way to set
Users running their own mysqld server can set
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