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Accurate Solar Time Sundial Installed in a North London Garden

Accurate Solar Time sundial installed and set up at the exact time of local Noon

The sundial is in our client’s garden in North London. The sundial faces due south. We set it up at Noon on 28 November, using accurate corrections for the Equation of Time and local Longitude. The photo shows Solar Time at 12.30pm.

The world of solar time has fascinating ideas to explore. Our accurate sundial is almost a compendium of what a sundial can do. The client’s wish was something special for their newly created garden, and our design of a vertical sundial display appealed to them. Continue reading

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An armillary sundial in early morning

An armillary sundial in early morning

This is our new sundial design. It stands in our garden among the plants. It is early morning and the sun has just reached the centre band where you read the time.

An armillary sundial has a wonderful form. It has mathematical rings creating beautiful shapes with circles and lines. The sundial in the photo has just begun to catch the early morning sun in the garden.

The sundial gnomon is the slanting rod in the centre of the rings, and the wide sweeping band is where you can read the time. These features are the same as other armillaries, but our design has special secrets. Continue reading

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New sundial installed in Lews Castle garden at Stornoway

New sundial installed at Lews Castle, Stornoway

New sundial installed on an original cast iron pedestal in the sunken garden at Lews Castle, Stornoway

The new sundial for Lews Castle at Stornoway is now in place in the sunken garden. The old cast iron pedestal has been restored and painted beautifully and the sundial fits perfectly on top. The local team at I M Murray Engineering carried out the work on site.

The handsome pedestal was once the base for a fountain. Continue reading

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Time lapse study of shadows and how a sundial reads the time

Time lapse on precision of a sundial

Time lapse camera set up for study of a sundial looking at precision of the time shadow

There are many interpretations of how well a sundial reads the time. It is often thought the smallest increment of time on a sundial will be around two minutes. This is because the large diameter of the sun gives a fuzzy edge to the time shadow. Our study looked at the shadow Continue reading

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