[#BloombergLP-bdlt-Timetable-length] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Timetable.adoc[Timetable]::length :relfileprefix: ../../../ :mrdocs: Return the number of days in the valid range of this timetable, which is defined to be 0 if this timetable is empty, and `lastDate() ‐ firstDate() + 1` otherwise. == Synopsis Declared in `<bdlt_timetable.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- int length() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#