[#BloombergLP-bdlt-PosixDateImpUtil-serialToMonth]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/PosixDateImpUtil.adoc[PosixDateImpUtil]::serialToMonth
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:mrdocs:

Return the month of the date value indicated by the specified `serialDay`. The behavior is undefined unless `true == isValidSerial(serialDay)`.

== Synopsis

Declared in `<bdlt_posixdateimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
serialToMonth(int serialDay);
----


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