Return the day of the year.
This attribute returns the day of the year on which the particular
date occurs. The return value ranges between 1 to 365 for regular
years and 1 to 366 for leap years.
The day of year.
Return the day of the month.
Return the day of week.
Return the day of year of all indexes.
>>> period = pd.Period("2015-10-23", freq='H')
>>> period = pd.Period("2012-12-31", freq='D')
>>> period = pd.Period("2013-01-01", freq='D')