Linux Date format

Linux Date format is a sequence of characters which specifies how output will appear. 

It comprises some combination of the following sequences:

%%	A literal percent sign ("%").
%a	The abbreviated weekday name (e.g., Sun).
%A	The full weekday name (e.g., Sunday).
%b	The abbreviated month name (e.g., Jan).
%B	Locale's full month name (e.g., January).
%c	The date and time (e.g., Thu Mar 3 23:05:25 2005).
%C	The current century; like %Y, except omit last two digits (e.g., 20).
%d	Day of month (e.g., 01).
%D	Date; same as %m/%d/%y.
%e	Day of month, space padded; same as %_d.
%F	Full date; same as %Y-%m-%d.
%g	Last two digits of year of ISO week number (see %G).
%G	Year of ISO week number (see %V); normally useful only with %V.
%h	Same as %b.
%H	Hour (00..23).
%I	Hour (01..12).
%j	Day of year (001..366).
%k	Hour, space padded ( 0..23); same as %_H.
%l	Hour, space padded ( 1..12); same as %_I.
%m	Month (01..12).
%M	Minute (00..59).
%n	A newline.
%N	Nanoseconds (000000000..999999999).
%p	Locale's equivalent of either AM or PM; blank if not known.
%P	Like %p, but lowercase.
%r	Locale's 12-hour clock time (e.g., 11:11:04 PM).
%R	24-hour hour and minute; same as %H:%M.
%s	Seconds since 1970-01-01 00:00:00 UTC.
%S	Second (00..60).
%t	A tab.
%T	Time; same as %H:%M:%S.
%u	Day of week (1..7); 1 is Monday.
%U	Week number of year, with Sunday as first day of week (00..53).
%V	ISO week number, with Monday as first day of week (01..53).
%w	Day of week (0..6); 0 is Sunday.
%W	Week number of year, with Monday as first day of week (00..53).
%x	Locale's date representation (e.g., 12/31/99).
%X	Locale's time representation (e.g., 23:13:48).
%y	Last two digits of year (00..99).
%Y	Year.
%z	+hhmm numeric time zone (e.g., -0400).
%:z	+hh:mm numeric time zone (e.g., -04:00).
%::z	+hh:mm:ss numeric time zone (e.g., -04:00:00).
%:::z	Numeric time zone with ":" to necessary precision (e.g., -04, +05:30).
%Z	Alphabetic time zone abbreviation (e.g., EDT).