function getResizeGhost() {
			var $ghost = jQuery("<span></span>").addClass("sapUiCalAppResizeGhost");
			$ghost.appendTo(document.body);

			setTimeout(function() { $ghost.remove(); }, 0);

			return $ghost.get(0);
		}
Returns whether now marker should be rendered in calendar view.

@param {Date|module:sap/ui/core/date/UI5Date} oDate - date to check.
@returns {boolean}
@private