ixty seconds. This approach works with the default <code><abbr>tz</abbr></code>
<code>"posix"</code> configuration, is <a
href="http://bk1.ntp.org/ntp-stable/README.leapsmear">supported</a> by
the abovementioned <abbr>NTP</abbr> implementations, <a
href="https://github.com/google/unsmear">supports</a> conversion between
<abbr>UTC</abbr> and smeared <abbr>POSIX</abbr> timestamps, and is used by major
cloud service providers. However, according to
<a href="https://www.rfc-editor.org/rfc/rfc8633#section-3.7.1"