...ngle '''''to the horizontal''''' equal to the '''[[Latitude]]''' of the '''Sundial''' location. The '''[[Sundials and Gnomons|Gnomon]]''' therefore must be se
...need to be angled to the 'dial' such that the shadow cast at Noon remains vertical and is said to be [http://en.wikipedia.org/wiki/Declination '''Declined''']
2 KB (385 words) - 12:04, 11 September 2018
...eated online tools to help calculate the '''Hour Lines''' for different '''Sundial''' types. They are:
...eets/d/1KqtSFP4Xxz4WlwKROGcv7w-YDGwW_7bGwek0IqSSgTk/edit#gid=2035122671 '''Sundial Calculator'''] - a Google Sheet ''(Google account needed for editing)''
3 KB (458 words) - 08:57, 22 May 2021
...able Horizontal Sundial.jpg|right|300px|Horus Sundials Portable Horizontal Sundial|link=http://commons.wikimedia.org/wiki/File:Horus_Sundials_Portable_Horizon
...ithic'''] times to mark changing seasons and [http://en.wikipedia.org/wiki/Sundial '''Sundials'''] of a type may have been invented in [https://en.wikipedia.o
6 KB (1,004 words) - 09:51, 7 August 2018
A [http://en.wikipedia.org/wiki/Sundial '''Sundial'''] of sorts can quite easily be made by pushing a pencil through the centr
...on become apparent that equal segments are not the answer if the pencil is vertical.
10 KB (1,631 words) - 10:40, 1 March 2017
...kipedia.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 equa
...: green">In the table below, enter the '''[[Latitude]]''' of where your '''Sundial''' will be located.</span>
2 KB (269 words) - 11:06, 1 March 2017
Design and make a Sundial to suit your home location '''[[Latitude]]''' which can be sited outside pe
* Where will the '''Sundial''' be located - ''(e.g. on a flat surface, a wall, a post, as part of anoth
3 KB (520 words) - 14:55, 26 December 2016
...ikipedia.org/wiki/Gnomon '''Gnomon'''] must remain parallel to the Earth's vertical axis, the entire [http://en.wikipedia.org/wiki/Gnomon '''Gnomon'''] and '''
...l the GnomonHeight, the semi-circular and equi-spaced dial of an Armillary Sundial results!)''.</span>
2 KB (319 words) - 10:37, 1 March 2017
...lso have been used as '''Shadow Clocks''' or [http://en.wikipedia.org/wiki/Sundial '''Sundials'''].
...ach '''[[Ancient Egyptian Survey Tools|Merkhet]]''' discovered has a small vertical groove at one end and this could have been used to guide the built-in '''[[
4 KB (699 words) - 10:06, 1 March 2017
...Plumb Bob''' was attached to a wooden crossboard so that the cord, if in a vertical position, would touch a second cross board below, which was the same size a
...rs' Square]]''' against it. '''Plumb Bobs''' were used also to establish a vertical [http://en.wikipedia.org/wiki/Datum_reference '''Datum Reference'''] in ot
9 KB (1,522 words) - 19:22, 10 March 2021