me zone database contains code and data
that represent the history of local time
for many representative locations around the globe.
It is updated periodically to reflect changes made by political bodies
to time zone boundaries and daylight saving rules.
This database (known as <code><abbr>tz</abbr></code>,
<code><abbr>tzdb</abbr></code>, or <code>zoneinfo</code>)
is used by several implementations,
including
<a href="https://www.gnu.org/software/libc/">the
<abbr title="GNU’s Not Unix">GNU</abbr>
C Librar