The Pandas package provides a convenient solution for this: from pandas.tseries.holiday import USFederalHolidayCalendar cal = USFederalHolidayCalendar() holidays = cal.holidays(start=”2014-01-01″, end=’2014-12-31′).to_pydatetime() if datetime.datetime(2014,01,01) in holidays: print True
Just a helpful hint, there is a company called Yodlee.com who provides this data. They do charge for the API. Companies like Mint.com use this API to gather bank and financial account data. Also, checkout https://plaid.com/, they are a similar company Yodlee.com and provide both authentication API for several banks and REST-based transaction fetching endpoints.