[#BloombergLP-bdlt-Calendar-addDay] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Calendar.adoc[Calendar]::addDay :relfileprefix: ../../../ :mrdocs: Extend the valid range (if necessary) of this calendar to include the specified `date` value. == Synopsis Declared in `<bdlt_calendar.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void addDay(xref:BloombergLP/bdlt/Date.adoc[Date] const& date); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#