http://lifeshack.disqus.com/enTue, 04 Jan 2011 23:04:19 -0000http://youyu.info/2009/01/19/weeknumbers-for-ical/#comment-124190182<p>Week numbers are also available from</p> <p><a href="http://www.webcal.fi/" rel="nofollow">http://www.webcal.fi/</a></p> <p>These calendars are valid forever (automatic updates).</p>ApoleonTue, 04 Jan 2011 23:04:19 -0000