s="pre">format_error</span></code> is thrown.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">'Z'</span></code></p></td>
<td><p>The time zone abbreviation. If the time zone abbreviation is not
available, an exception of type <code class="docutils literal notranslate"><span class="pre">format_error</span></code> is thrown.</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">'%'</span></code></p></td>
<t