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

Provide a namespace for local‐time‐offset procedures.

== Synopsis

Declared in `<bdlt_localtimeoffset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct LocalTimeOffset;
----

== Description

This `struct` provides a namespace for local‐time‐offset procedures including a configurable global callback mechanism. The use of these procedures is thread‐safe (see `Thread Safety`).

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlt/LocalTimeOffset/LocalTimeOffsetCallback-08.adoc[`LocalTimeOffsetCallback`] 
| Callback function type that returns the local time offset from UTC.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlt/LocalTimeOffset/localTimeOffset.adoc[`localTimeOffset`] 
| Return the local time offset from UTC at the specified date and time.
| xref:BloombergLP/bdlt/LocalTimeOffset/localTimeOffsetCallback-04.adoc[`localTimeOffsetCallback`] 
| Return the currently installed `LocalTimeOffsetCallback` function.
| xref:BloombergLP/bdlt/LocalTimeOffset/localTimeOffsetDefault.adoc[`localTimeOffsetDefault`] 
| Provide the default local‐time‐offset callback implementation.
| xref:BloombergLP/bdlt/LocalTimeOffset/setLocalTimeOffsetCallback.adoc[`setLocalTimeOffsetCallback`] 
| Set the callback used to retrieve the local time offset.
|===



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