extraneous time in front of front of Gantt Chart

I created a Gantt Chart with the following code which I found here (http://support.microsoft.com/kb/q123260/)

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My start dates are all 2/23/11 thru 3/28/11 yet the chart area (timeline X axis) starts in Jan 2011.
So I extended my start dates out thru Aug 2011 thinking it would eliminate the unnecessary time in front of the earliest X axis date and instead it backed up the x axis to Nov 2010!

Is there something in the code that's telling it to put extraneous time in front of the earliest date?

Hi carsto,
as per your link did you Select cell A2 and format it with the month/day/year date format you want to use on the chart.