AddBusinessDays         AddBusinessDays
AddDate                 AddDate
BusinessDays            BusinessDays
LastDayOfMonth          LastDayOfMonth
NumExcel2DateR          NumExcel2DateR
NumR2DateR              NumR2DateR
day_count               day_count
difftime_business       difftime_business
difftime_leap_year      difftime_leap_year
holiDaysBOG             Bogota holidays dates.
holiDaysLDN             London holidays dates.
holiDaysNY              New York holidays dates.
wdBOG                   Bogota business dates.
wdLDN                   London business dates.
wdNY                    New York business dates.
