[[environment variable listing the timezones and gmt offset for the current context]]
----
[MAKR] attempts (2009-01-30): [POSIX] has a definition of the environment variable `TZ` (taken from [http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html#tag_08_03]) that goes like this:
''This variable shall represent [timezone] information. The contents of the environment variable named `TZ` shall be used by [[...]] functions, and by various utilities, to override the default [timezone]. The value of `TZ` has one of the two forms (spaces inserted for clarity):''
======
    :characters
======
''or:''
======
    std offset dst offset, rule
======
''If `TZ` is of the first format (that is, if the first character is a colon), the characters following the colon are handled in an implementation-defined manner.''

The [timezone] wiki page has what that means for [Tcl]. For an explanation of the second form see the above referenced page from the [POSIX] standard.



<<categories>> Unix | Date and Time | Geography | Local