[#BloombergLP-bdlt-operator_lt-034] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::operator< :relfileprefix: ../../ :mrdocs: Return `true` if the specified `lhs` has a value less than the specified `rhs`, and `false` otherwise. Datetime `lhs` has a value less than timetable transition `rhs` if `lhs < rhs.datetime()`. The behavior is undefined unless `24 > lhs.hour()`. == Synopsis Declared in `<bdlt_timetable.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- bool operator<( xref:BloombergLP/bdlt/Datetime.adoc[Datetime] const& lhs, xref:BloombergLP/bdlt/TimetableTransition.adoc[TimetableTransition] const& rhs); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#