[#BloombergLP-bdlt-Calendar-addHoliday]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Calendar.adoc[Calendar]::addHoliday
:relfileprefix: ../../../
:mrdocs:

Mark the specified `date` as a holiday (i&period;e&period;, a non&hyphen;business day) in this calendar&period; Extend the valid range of this calendar if necessary&period; If `date` is already marked as a holiday, this method has no effect&period; See &lcub;Iterator Invalidation&rcub; for information regarding which iterators are affected by the use of this method&period;

== Synopsis

Declared in `&lt;bdlt&lowbar;calendar&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
addHoliday(xref:BloombergLP/bdlt/Date.adoc[Date] const& date);
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
