[#BloombergLP-bdlt-Datetime-setYearMonthDay]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Datetime.adoc[Datetime]::setYearMonthDay
:relfileprefix: ../../../
:mrdocs:

Set the date part from `year`, `month`, and `day`.

== Synopsis

Declared in `<bdlt_datetime.h>`

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

== Description

Set the "date" part of this object to have the value represented by the specified `year`, `month`, and `day` attribute values. The behavior is undefined unless `year`, `month`, and `day` represent a valid `Date` value (i.e., `true == Date::isValidYearMonthDay(year, month, day)`). Note that this method has no effect on the "time" part of this object.

== Parameters

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


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