View source for Horizontal Sundial Designer

[[File:HorizontalSundialEG.png|300px|right|link=http://www.amazon.co.uk/gp/product/B000S5K3VI/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=B000S5K3VI&linkCode=as2&tag=dton06-21]]
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=====Description=====

Horizontal Sundial 


=====Features and Applications=====

The '''Dial''' is positioned horizontal relative to its location on the Earth's surface, which means it must be '''[[Tangents and Normals|Tangential]]''' to the curve of the Earth and set such that its [https://en.wikipedia.org/wiki/Gnomon '''Gnomon''']  points to '''[[Finding True North|True North]]'''. A simple geometric analysis will reveal that if the [https://en.wikipedia.org/wiki/Gnomon '''Gnomon'''] is to remain parallel to the Earth's vertical axis, it must be set at an angle to the horizontal '''Dial''' which is equal to the '''[[Latitude]]''' of its location.


{{Packaging Designer Guide}}
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<span style="color: green">'''Note:'''
Since the main purpose of this '''Sundial Designer''' is to establish the correct angles for the '''Hour LInes''', a simple screen '''Print-out''' will often suffice
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<dtapollonius dwg="/images/d/d7/Sundial_horizontal.txt"></dtapollonius>


{{Sundials Buyers Guide}}

[[Category:Sundials]]