<code class="docutils literal notranslate"><span class="pre">%s</span></code></dt><dd><div class="versionadded">
<p><span class="versionmodified added">New in version 3.6.</span></p>
</div>
<p>Seconds since midnight (UTC) 1-Jan-1970 (UNIX time).</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">%S</span></code></dt><dd><p>The second of the current minute.  60 represents a leap second. (00-60)</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">%f</span></code>