||A business day calendar object that efficiently stores information defining valid days for the busday family of functions.
|is_busday(dates[, weekmask, holidays, ...])
||Calculates which of the given dates are valid days, and which are not.
|busday_offset(dates, offsets[, roll, ...])
||First adjusts the date to fall on a valid day according to the roll rule, then applies offsets to the given dates counted in valid days.
|busday_count(begindates, enddates[, ...])
||Counts the number of valid days between begindates and enddates, not including the day of enddates.