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

Return `true` if the specified `year` is a leap year, and `false` otherwise. The behavior is undefined unless `1 <= year <= 9999`.

== Synopsis

Declared in `<bdlt_posixdateimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isLeapYear(int year);
----


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