[#BloombergLP-bbldc-BasicIsma30360-daysDiff] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bbldc.adoc[bbldc]::xref:BloombergLP/bbldc/BasicIsma30360.adoc[BasicIsma30360]::daysDiff :relfileprefix: ../../../ :mrdocs: Return the (signed) number of days between the specified `beginDate` and `endDate` according to the ISMA 30/360 day‐count convention. If `beginDate <= endDate`, then the result is non‐negative. Note that reversing the order of `beginDate` and `endDate` negates the result. == Synopsis Declared in `<bbldc_basicisma30360.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- static int daysDiff( xref:BloombergLP/bdlt/Date.adoc[bdlt::Date] const& beginDate, xref:BloombergLP/bdlt/Date.adoc[bdlt::Date] const& endDate); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#