t</code></td>
          <td>
                <code>str</code>
          </td>
          <td><p>unit of offset. One of "ms", "s", "m", "h", "d", "M", "y"</p></td>
          <td>
              <em>required</em>
          </td>
        </tr>
    </tbody>
  </table>

      <details class="quote">
        <summary>Source code in <code>pyquokka/expression.py</code></summary>
        <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="n