ows user to write, e.g.</p><p>  val x = weeklyOn(FR) counting 3 from datetime(2013, 1, 1)</p><p>to get the third Friday in January 2013. With a negative number, e.g.</p><p>  val x = weeklyOn(FR) counting -3 from datetime(2013, 1, 1)</p><p>you would get the third occurrence counting back from Jan 1, 2013.</p><p>Note that in both cases, if the 'from' date conforms to the recurrence
rule, it will be counted.
</p></div></div>
    </li><li name="scala.AnyRef#eq" visbl="pub" data-isabs="false" fullComment="yes" g