olor:#72ab00;>:</span><span style=color:#b3933a;>02
</span></code></pre><br><h2 id=date-arithmetic>Date arithmetic</h2><pre class=language-ruby data-lang=ruby style=background-color:#f5f5f5;color:#1f1f1f;><code class=language-ruby data-lang=ruby><span>$ date </span><span style=color:#72ab00;>-</span><span style=color:#5597d6;>I
</span><span style=color:#b3933a;>2024</span><span style=color:#72ab00;>-</span><span style=color:#b3933a;>08</span><span style=color:#72ab00;>-</span><span style=color:#b3933a;>02
<