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

Return the UTC datetime when this object's local date starts.

== Synopsis

Declared in `<bdlt_datetz.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/Datetime.adoc[Datetime]
gmtStartTime() const;
----

== Description

Return a `Datetime` object having the value of the UTC "point in time" when the local date starts (i.e., 0000 hours local time). The behavior is undefined unless the local date starting time represents a valid `Datetime` value for the UTC timezone. Note that the returned value is equal to: ` Datetime(localDate()).addMinutes(‐offset()); `

DEPRECATED: replaced by `utcStartTime`.

== Return Value

the UTC datetime when this object's local date starts


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