[#BloombergLP-bdlt-PosixDateImpUtil-isValidYearMonthDayNoCache]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/PosixDateImpUtil.adoc[PosixDateImpUtil]::isValidYearMonthDayNoCache
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Return `true` if the specified `year`, `month`, and `day` represents a valid date value, and `false` otherwise. Note that valid date values are (as fully defined in the component‐level documentation) in the range `[ 0001/01/01 .. 9999/12/31 ]` (except that `[ 1752/09/03 .. 1752/09/13 ]` are not valid for historical reasons). Also note that this function is guaranteed not to use any date‐cache optimizations.

== Synopsis

Declared in `<bdlt_posixdateimputil.h>`

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


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