time zone.</p>
<p>This value is at most
8,640,000,000,000,000ms (100,000,000 days) from the Unix epoch.
In other words: <code>millisecondsSinceEpoch.abs() &lt;= 8640000000000000</code>.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart"><code class="language-dart">external int get millisecondsSinceEpoch;</code></pre>
        </section>
</section>
        
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