SOAP, XML
Added on February 5th, 2011

US Holiday dates

US Holiday dates
Web service that calculates specific national holidays for the US.

The following operations are supported. For a formal definition, please review the Service Description.

GetMemorialDay Get the date of Memorial Day. GetHalloweenDay Get the date of Halloween Day. GetMartinLutherKingDay Get the date of Martin Luther King Day. GetAbrahamLincolnsBirthday Get the date of Abraham Lincoln's Birthday. GetFathersDay Get the date of Father's Day. GetMothersDay Get the date of Mother's Day. GetEaster Get the date of Easter. GetGoodFriday Get the date of Good Friday. GetBlackFriday Get the date of Black Friday. GetPresidentsDay Get the date of President's Day. GetNewYearsEve Get the date of New Year's Eve. GetLaborDay Get the date of Labor Day. GetFlagDay Get the date of Flag Day. GetVeteransDay Get the date of Veteran's Day. GetColumbusDay Get the date of Columbus Day. GetValentinesDay Get the date of Valentines Day. GetGeorgeWashingtonsBirthday Get the date of George Washington's Birthday. GetThanksgivingDay Get the date of Thanksgiving Day. GetNewYear Get the date of New Year. GetSaintPatricksDay Get the date of Saint Patrick's Day. GetChristmasDay Get the date of Christmas. GetIndependenceDay Get the date of Independence Day. GetAprilFoolsDay Get the date of April Fool's Day. GetCincoDeMayo Get the date of Cinco de Mayo.
More information: http://www.27seconds.com/Holidays/US/Dates/USHolidayDates.asmx