[#BloombergLP-bdlt-DateUtil-lastDayInMonth]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/DateUtil.adoc[DateUtil]::lastDayInMonth
:relfileprefix: ../../../
:mrdocs:

Return the latest date in the specified `month` of the specified `year`. The behavior is undefined unless `1 <= year <= 9999` and `1 <= month <= 12`.

== Synopsis

Declared in `<bdlt_dateutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdlt/Date.adoc[Date]
lastDayInMonth(
    int year,
    int month);
----


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