[#BloombergLP-bdlt-TimeUnitRatio-k_NANOSECONDS_PER_DAY] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/TimeUnitRatio.adoc[TimeUnitRatio]::k_NANOSECONDS_PER_DAY :relfileprefix: ../../../ :mrdocs: Nanoseconds per day. The number of nanoseconds per day. == Synopsis Declared in `<bdlt_timeunitratio.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- static xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64] const k_NANOSECONDS_PER_DAY = k_NANOSECONDS_PER_HOUR * k_HOURS_PER_DAY; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#