[#BloombergLP-baltzo-LocalTimeOffsetUtil]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/baltzo.adoc[baltzo]::LocalTimeOffsetUtil
:relfileprefix: ../../
:mrdocs:

Namespace for a `bdlt::LocalTimeOffset` callback and timezone utilities.

== Synopsis

Declared in `<baltzo_localtimeoffsetutil.h>`

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

== Description

This `struct` provides a namespace for a `bdlt::LocalTimeOffset` local time offset callback, and functions that manage the timezone information reported by that callback. All public methods are *thread‐safe*.

== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/configure-0a.adoc[`configure`] 
| `configure` overloads
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/loadLocalTimeOffset.adoc[`loadLocalTimeOffset`] 
| Load the local time offset from UTC for `utcDatetime` into `result`.
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/loadLocalTimePeriod.adoc[`loadLocalTimePeriod`] 
| Load the current local time period into `localTimePeriod`.
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/loadTimezone-06.adoc[`loadTimezone`] 
| Load the time zone identifier into `timezone`.
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/localTimeOffset.adoc[`localTimeOffset`] 
| Return the local time offset from UTC for `utcDatetime`.
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/setLoadLocalTimeOffsetCallback.adoc[`setLoadLocalTimeOffsetCallback`] 
| Set `localTimeOffset` as the local time offset callback of `bdlt::CurrentTime`. Return the previously installed callback. This method is _not_ thread‐safe.
| xref:BloombergLP/baltzo/LocalTimeOffsetUtil/updateCount.adoc[`updateCount`] 
| Return the number of successful updates of the local time period information since the start of the process.
|===



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