php-phpbb/phpBB/adm/style/timezone_option.html

<dl>
	<dt><label for="timezone">{L_BOARD_TIMEZONE}{L_COLON}</label></dt>
	<!-- IF S_TZ_DATE_OPTIONS -->
	<dd id="tz_select_date" style="display: none;">
		<select name="tz_date" id="tz_date" class="autowidth tz_select">
			<option value="">{L_SELECT_CURRENT_TIME}</option>
			{S_TZ_DATE_OPTIONS}
		</select>
	</dd>
	<!-- ENDIF -->
	<dd>
		<select name="tz" id="timezone" class="autowidth tz_select">
			<option value="">{L_SELECT_TIMEZONE}</option>
			{S_TZ_OPTIONS}
		</select>

		<!-- INCLUDEJS timezone.js -->
	</dd>
</dl>