Detecting a US Holiday

Question

What\'s the simplest way to determine if a date is a U.S. bank holiday in Python? There seem to be various calendars and webservices listing holidays for various countries,

Answer 1

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