[#BloombergLP-baltzo-TimeZoneUtil-convertLocalToLocalTime-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/baltzo.adoc[baltzo]::xref:BloombergLP/baltzo/TimeZoneUtil.adoc[TimeZoneUtil]::convertLocalToLocalTime
:relfileprefix: ../../../
:mrdocs:

Convert `srcTime` in `srcTimeZoneId` to local time in `targetTimeZoneId`.

== Synopsis

Declared in `<baltzo_timezoneutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
convertLocalToLocalTime(
    xref:BloombergLP/baltzo/LocalDatetime.adoc[LocalDatetime]* result,
    char const* targetTimeZoneId,
    xref:BloombergLP/bdlt/Datetime.adoc[bdlt::Datetime] const& srcTime,
    char const* srcTimeZoneId,
    xref:BloombergLP/baltzo/DstPolicy/Enum.adoc[DstPolicy::Enum] dstPolicy = DstPolicy::e_UNSPECIFIED);
----

== Description

Load, into the specified `result`, the local date‐time value (in the time zone indicated by the specified `targetTimeZoneId`) corresponding to the local time indicated by the specified `srcTime` (in the time zone indicated by the specified `srcTimeZoneId`). Optionally specify a `dstPolicy` indicating whether or not `srcTime` represents a daylight‐saving time value. If `dstPolicy` is unspecified and `srcTime` is a unique and valid time in the source time zone, then perform the conversion using that uniquely described time; if `dstPolicy` is unspecified and `srcTime` is either ambiguous or invalid, then use the later of the two possible interpretations of `srcTime`. The offset from UTC of both time zones is rounded down to minute precision. Return 0 on success, and a non‐zero value with no effect otherwise. A return value of `ErrorCode::k_UNSUPPORTED_ID` indicates that either `targetTimeZoneId` or `srcTimeZoneId` was not recognized.

== Return Value

0 on success, and a non‐zero value otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *result*
| receives the converted local date‐time
| *targetTimeZoneId*
| identifier of the destination time zone
| *srcTime*
| local date‐time in the source time zone
| *srcTimeZoneId*
| identifier of the source time zone
| *dstPolicy*
| daylight‐saving policy for interpreting `srcTime`
|===


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