Binary package “sdate” in ubuntu xenial

never ending September date

 sdate wraps the libc localtime() and gmtime() functions to output the eternal
 september 1993 date.
 .
 sdate works like fakeroot (on which its code is based) by setting LD_PRELOAD
 to a wrapper library.
 .
  * http://www.catb.org/~esr/jargon/html/S/September-that-never-ended.html