epresentation.</p></dd>
	<dt><code>signature(obj = "GmlTimeInstant", sos = "SOS")</code></dt><dd><p>Convert the given object to an XML representation.</p></dd>
	<dt><code>signature(obj = "GmlTimePeriod", sos = "SOS")</code></dt><dd><p>Convert the given object to an XML representation.</p></dd>
	<dt><code>signature(obj = "GmlTimePosition", sos = "SOS")</code></dt><dd><p>Convert the given object to an XML representation.</p></dd>
	<dt><code>signature(obj = "POSIXt", sos = "SOS")</code></dt><dd><p>Converts the