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

Add the specified number of `days` to the value of this object. Return a reference providing modifiable access to this object. The behavior is undefined unless the resulting value is in the valid range for a `Datetime` object. Note that this method has no effect on the "time" part of this object. Also note that `days` may be positive, 0, or negative.

== Synopsis

Declared in `<bdlt_datetime.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bdlt/Datetime.adoc[Datetime]&
addDays(int days);
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