2020

TQ4361 : Sundial, Church of St Mary

taken 6 years ago, near to Downe, Bromley, England

Sundial, Church of St Mary
Sundial, Church of St Mary
Sundials

A sundial is a device that tells the time of day by the apparent position of the Sun in the sky. In common designs such as the horizontal sundial, the sun casts a shadow from its style onto a surface marked with lines indicating the hours of the day. The style is the time-telling edge of the gnomon, often a thin rod or a sharp, straight edge. As the sun appears to move across the sky, the shadow-edge aligns with different hour-lines. Those sundials that directly measure the sun's hour-angle by the shadow of an edge must have that edge parallel to the axis of the Earth's rotation to tell the correct time throughout the year. The style's angle from the horizontal will thus equal the sundial's geographical latitude. It is common for inexpensive mass-produced decorative sundials to have incorrect hour angles, which cannot be adjusted to tell correct time.

Church of St Mary, Downe

St Mary's Church in the village of Downe, Bromley (formerly Kent) is the Church of England Parish Church for the parish of Downe. It is a Grade II* listed building, LinkExternal link which dates from the 13th century.

Downe

Downe is a village on The North Downs in the Borough of Bromley.
Wikipedia: LinkExternal link


Creative Commons Licence [Some Rights Reserved]   © Copyright N Chadwick and licensed for reuse under this Creative Commons Licence.
This photo is linked from: Automatic Clusters: · St Mary [36] ·
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TQ4361, 306 images   (more nearby 🔍)
Photographer
N Chadwick   (more nearby)
Date Taken
Wednesday, 24 June, 2020   (more nearby)
Submitted
Monday, 15 March, 2021
Subject Location
OSGB36: geotagged! TQ 4320 6164 [10m precision]
WGS84: 51:20.1495N 0:3.2577E
Camera Location
OSGB36: geotagged! TQ 4321 6163
View Direction
Northwest (about 315 degrees)
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Image Type (about): close look 
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