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Pinawa Heritage Sundial Conceptual Design
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CANADA

The horizontal sundial presented on this page is located at the entrance of the Village of Sangudo, Alberta. The dial is located at latitude 5454' N and is designed to show local apparent time. The sundial has been registered as the official logo of the Village of Sangudo.

The photograph is a post card of the sundial and the following are excerpts taken from the Sangudo Sundial-Elevator brochure. This information was provided by Pamela Nelson who is the village's Chief Administrative Officer. For additional information please visit: www.gov.sangudo.ab.ca/page6.html.

This is a really great sundial! It captures the essence of one of the fastest disappearing symbols of the prairie provinces - the country grain elevator.  What was once a common site in Manitoba, Saskatchewan and Alberta is now an endangered species.


The Sangudo Sundial-Elevator is one of the biggest sundials in existence with a height of 21 feet and a total weight of over 40 tons, including the marker rocks. The design provides for a modern sculptured appearance of a country grain elevator with a shingled roof, permanency (100 year range), and simplicity and economy of construction utilizing local volunteer craftsmen. The design is indeed unique and has been officially copyrighted by the Village of Sangudo.

The design incorporates an additional feature which makes it particular to the Village of Sangudo. The angle of the upper roof slope is 5454', which corresponds with the north latitude of Sangudo, and as such, enables the structure to function as a simple sundial. The combination of structural design and the time it tells (Sangudo Solar Time) makes the "Sundial Elevator" a unique structure, world wide.

The large boulders were found in farm fields near Sangudo, having been deposited there during the last great glaciation as the Laurentide Ice Sheet moved from the northeast during the period 22,000 to 12,000 years ago. The three classes of rocks: sedimentary, igneous and metamorphic are represented in this collection. The boulders range in age and place of origin from Precambrian Shield granite (about two billion years old) from the Fort Smith, Northwest Territories area to Cretaceous sandstones (about 70 million years old) formed locally in the Pembina River basin.


Sangudo Sundial-Elevator

Erection of the landmark was a community effort sponsored by the Sangudo Chamber of Commerce in conjunction with the Village of Sangudo. Over 70 volunteers and donators have been recognized for their support of this project.


WHAT THE SUNDIAL WILL TELL YOU

  • Local Solar Time estimate, Solar Noon

  • Major Calendar Functions: Longest Day, Shortest Day, Equinoxes

  • Geographical Information: Exact Latitude, Longitude, Elevation, True North direction

On the average, Sangudo Solar Time is about 40 minutes behind MST or 1 hour and 40 minutes behind MDT.

Reading the Sundial: Locate the shadow cast by either the west edge (A.M.) or east edge (P.M.) of the upper roof only. If the shadow falls well outside the range of the marker rocks, line the shadow with either the A.M. or P.M. sundial centers (base of the flag poles).

Observing Solar Noon: Solar Noon is based on determination of the high point of the sun as it arcs across the sky. The Sangudo Sundial-Elevator incorporates an additional feature to more precisely identify solar noon. The small stylus on the center of the shadow-casting roof identifies the sun's high point when the pointer's shadow crosses the leading edge of the marker structure.

Reading Calendar Functions: The calendar functions listed can be observed as marked on the upper west face of the marker structure. Correct shadow observation can only be made at solar noon.


Sangudo Sundial Plan 

 

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