[#bsl-operator_h-04]
= xref:bsl.adoc[bsl]::operator""_h
:relfileprefix: ../
:mrdocs:

Create a `bsl::chrono::duration` object having the `bsl::ratio<3600, 1>` duration period and initialized with the specified `hrs` number of hours.

== Synopsis

Declared in `<bslstl_chrono.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
std::chrono::hours
operator""_h(unsigned long long hrs);
----

== Return Value

duration representing `hrs` hours

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hrs*
| number of hours
|===


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