[#BloombergLP-bdlt-ProlepticDateImpUtil-isValidYearMonthDay]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/ProlepticDateImpUtil.adoc[ProlepticDateImpUtil]::isValidYearMonthDay
:relfileprefix: ../../../
:mrdocs:

Return `true` if `year`/`month`/`day` is a valid date value.

== Synopsis

Declared in `<bdlt_prolepticdateimputil.h>`

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

== Description

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]`.

== Return Value

`true` if valid, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *year*
| calendar year
| *month*
| month of year
| *day*
| day of month
|===


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