[#BloombergLP-balber-BerUtil_DateImpUtil-dateToDaysSinceEpoch]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balber.adoc[balber]::xref:BloombergLP/balber/BerUtil_DateImpUtil.adoc[BerUtil_DateImpUtil]::dateToDaysSinceEpoch
:relfileprefix: ../../../
:mrdocs:

Convert a date to days relative to the compact‐binary date epoch.

== Synopsis

Declared in `<balber_berutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
dateToDaysSinceEpoch(
    xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64]* daysSinceEpoch,
    xref:BloombergLP/bdlt/Date.adoc[bdlt::Date] const& date);
----

== Description

Load to the specified `daysSinceEpoch` the number of days between the compact‐binary date epoch and the specified `date`. The compact‐binary date epoch is the date defined by the `k_COMPACT_BINARY_DATE_EPOCH` serial date. Note that this quantity may be negative if the specified `date` occurs before the compact‐binary date epoch.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *daysSinceEpoch*
| destination for the day count relative to the epoch
| *date*
| date to convert
|===


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