To find the Horizontal Sundial shadow hour angles
for your locality you need to know your latitude.
In the UK the latitude can be found by reference to an
Ordnance Survey map. This will give your latitude in
units of degrees and minutes. Convert this angle to
decimal degrees before typing in to the first box below,
i.e. if your latitude is 53 30', type it in as 53.5
Then click the calculate button to see the results...
^^^Back to the top2000 This revision 28 September 2005
