Help, Please, Problem in time function

I keep getting the following error message. I have no idea how to resolve it–
Permalink: http://216.246.105.5/rss_shownotes/http:/216.246.105.5/rss_shownotes/index.php/2009/10/29/introduction-t…radio-podcasts/3/ Edit introduction-to-equity-center-radio-podcasts PHP Warning: strtotime(): It is not safe to rely on the system’s timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected ‘America/Chicago’ for ‘-5.0/DST’ instead in C:\media\web\rss_shownotes\wp-includes\link-template.php on line 113 PHP Warning: date(): It is not safe to rely on the system’s timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected ‘America/Chicago’ for ‘-5.0/DST’ instead in C:\media\web\rss_shownotes\wp-includes\link-template.php on line 138
HTML Visual

Any help would be appreciated.

leonard j schwartz
schwartz@equitycenter.org