Python datetime formatting Parameters

Sorry, I can't remember my memory. I have been using it for so long. I will record it here and try it later.

Directive	Meaning	Notes
%	Locale's abbreviated weekdayname.
%	Locale's full weekday name.
% B	Locale's abbreviated monthname.
% B	Locale's full month name.
% C	Locale's appropriate date andtime representation.
% D	Day of the month as a decimalnumber [01,31].
% F	Microsecond as a decimalnumber [0, 999999], zero-paddedon the left	(1)
% H	Hour (24-hour clock) as adecimal number [00,23].
% I	Hour (12-hour clock) as adecimal number [01,12].
% J	Day of the year as a decimalnumber [001,366].
% M	Month as a decimal number [01,12].
% M	Minute as a decimal number [].
% P	Locale's equivalent of eitheram or PM.	(2)
% S	Second as a decimal number [].	(3)
% U	Week number Of The Year (Sunday as the first day ofthe week) as a decimal number []. All days in a newyear preceding the firstsunday are considered to be inweek 0.	(4)
% W	Weekday as a decimal number [0 (Sunday), 6].
% W	Week number Of The Year (Monday as the first day ofthe week) as a decimal number []. All days in a newyear preceding the firstmonday are considered to be inweek 0.	(4)
% X	Locale's appropriate daterepresentation.
% X	Locale's appropriate timerepresentation.
% Y	Year without century as adecimal number [].
% Y	Year with century as a decimalnumber.
% Z	UTC offset in the form + hhmmor-hhmm (empty string if thethe object is naive ).	(5)
% Z	Time zone name (empty stringif the object is naive ).
%	A literal'%'Character.

Http://docs.python.org/library/datetime.html#strftime-strptime-behavior