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

Set the "second" attribute of this object to the specified `second` value. If `24 == hour()`, set the `hour` attribute to 0. The behavior is undefined unless `0 <= second <= 59`. Note that this method has no effect on the "date" part of this object.

== Synopsis

Declared in `<bdlt_datetime.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
setSecond(int second);
----


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