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 Stock Exchange holidays dates.
holiDaysNYGB            New York Government Bonds holidays dates.
wdBOG                   Bogota business dates.
wdLDN                   London business dates.
wdNY                    New York Stock Exchange business dates.
wdNYGB                  New York Government Bonds business dates.
