 altered with a year’s notice before the change would have
affected clocks.</p>
<p>
There is no fixed schedule for <code><abbr>tzdb</abbr></code> releases.
However, typically a release occurs every few months.
Many downstream timezone data distributors wait for
a <code><abbr>tzdb</abbr></code> release before they produce an update
to time zone behavior in consumer devices and software products.
After a release, various parties must integrate, test,
and roll out an update before <a
href="https://en.wikiped