[#BloombergLP-bdlt-Time-setHourIfValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Time.adoc[Time]::setHourIfValid
:relfileprefix: ../../../
:mrdocs:

Set the "hour" attribute of this time object to the specified `hour` value _if_ `0 <= hour <= 24`. If `24 == hour`, set the remaining attributes to 0. Return 0 on success, and a non‐zero value (with no effect) otherwise.

== Synopsis

Declared in `<bdlt_time.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
setHourIfValid(int hour);
----


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