  ``{{ conference_date|timeuntil }}`` will return "4 weeks".
  
  Takes an optional argument that is a variable containing the date to use as
  the comparison point (instead of *now*). If ``from_date`` contains 22 June
  2006, then ``{{ conference_date|timeuntil:from_date }}`` will return "1 week".
  
  Comparing offset-naive and offset-aware datetimes will return an empty string.
  
  Minutes is the smallest unit used, and "0 minutes" will be returned for any
  date that is in the past relative to the comparison point.
 
</s> remove then ``{{ blog_date|timesince:comment_date }}`` would return "8 hours".
 </s> add then the following would return "8 hours"::

    {{ blog_date|timesince:comment_date }}
2006, then the following will return "1 week"::

    {{ conference_date|timeuntil:from_date }}
  ``{{ conference_date|timeuntil }}`` will return "4 weeks".
  
  Takes an optional argument that is a variable containing the date to use as
  the comparison point (instead of *now*). If ``from_date`` contains 22 June
2006, then the following will return "1 week"::

    {{ conference_date|timeuntil:from_date }}
  
  Comparing offset-naive and offset-aware datetimes will return an empty string.
  
  Minutes is the smallest unit used, and "0 minutes" will be returned for any
  date that is in the past relative to the comparison point.
keep keep keep keep replace keep keep keep keep keep
 Added examples for comment, templatetag, escape, force_escape, timesince, and timeuntil 
docs/ref/templates/builtins.txt