LOCALTIMESection: localtime (5)
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NAMElocaltime - Local timezone configuration file
The /etc/localtime file configures the system-wide timezone of the local system that is used by applications for presentation to the user. It should be an absolute or relative symbolic link pointing to /usr/share/zoneinfo/, followed by a timezone identifier such as "Europe/Berlin" or "Etc/UTC". The resulting link should lead to the corresponding binary tzfile(5) timezone data for the configured timezone.
Because the timezone identifier is extracted from the symlink target name of /etc/localtime, this file may not be a normal file or hardlink.
If /etc/localtime is missing, the default "UTC" timezone is used.
The timezone may be overridden for individual programs by using the $TZ environment variable. See environ(7).
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