description % week number of the year [ sunday is considered the first day of the weekand days before the first sunday of the year are "week % week number of the year [ monday is considered the first day of the weekand days before the first monday of the year are "week % utc time zone offset as +hhmm or -hhmmempty if time zone naive % shortcut for % -% -%dfor example % shortcut for % /% /%yfor example datetime objects also have number of locale-specific formatting options for systems in other countries or languages for examplethe abbreviated month names will be different on german or french systems compared with english systems table - locale-specific date formatting type description % abbreviated weekday name % full weekday name % abbreviated month name % full month name % full date and timefor example 'tue may : : pm% locale equivalent of am or pm % locale-appropriate formatted datee in us may yields '% locale-appropriate timee ' : : pmtime series basics the most basic kind of time series object in pandas is series indexed by timestampswhich is often represented external to pandas as python strings or datetime objectsin [ ]from datetime import datetime in [ ]dates [datetime( )datetime( )datetime( )datetime( )datetime( )datetime( )in [ ]ts series(np random randn( )index=datesin [ ]ts out[ ] - - time series basics www it-ebooks info