How can i calculate what UTM grid i am in from lat,long coordinates?
<p>I have this grid,</p>

<p><a href="http://www.mudrhino.com.au/Images/UTM1.gif" rel="nofollow">http://www.mudrhino.com.au/Images/UTM1.gif</a></p>

<p>From a given east,north coordinate, How can i calculate what Zone i am inside the grid?</p>

<p>For example, 55 should be around NSW, but my coordinate is X -35, Y 149</p>
