%a locale's abbreviated weekday name.
%A locale's full weekday name.
%b locale's abbreviated month name.
%B locale's full month name.
%c locale's appropriate date and time representation.
%C century number (the year divided by 100 and truncated to an integer) as a decimal number [00-99].
%d day of the month as a decimal number [01,31].
%D same as %m/%d/%y.
%e day of the month as a decimal number [1,31]; a single digit is preceded by a space.
%j day of the year as a decimal number [001,366].
%m month as a decimal number [01,12].
%p locale's appropriate date representation.
%y year without century as a decimal number [00,99].
%Y year with century as a decimal number.
