temporal
The "temporal" property can be used in cases where more specific properties (e.g. <a class="localLink" href="http://schema.org/temporalCoverage">temporalCoverage</a>, <a class="localLink" href="http://schema.org/dateCreated">dateCreated</a>, <a class="localLink" href="http://schema.org/dateModified">dateModified</a>, <a class="localLink" href="http://schema.org/datePublished">datePublished</a>) are not known to be appropriate.
temporal
The "temporal" property can be used in cases where more specific properties (e.g. <a class="localLink" href="http://schema.org/temporalCoverage">temporalCoverage</a>, <a class="localLink" href="http://schema.org/dateCreated">dateCreated</a>, <a class="localLink" href="http://schema.org/dateModified">dateModified</a>, <a class="localLink" href="http://schema.org/datePublished">datePublished</a>) are not known to be appropriate.