time

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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Watch Scotland’s tallest sundial on TV with Susan Calman

Secret Scotland with Susan Calman at Glamis Castle sundial

Susan Calman chats with Alastair Hunter about the grand sundial at Glamis Castle and finds out how to read the time.

Susan Calman loves her tours of Scotland uncovering secrets for her Channel 5 TV series, ‘Secret Scotland with Susan Calman’. This time she was in Aberdeenshire and Angus. She began with a visit to Glamis Castle, the much-loved family home of Her Majesty the Queen Mother. Susan could not miss the chance to see Scotland’s tallest sundial while she was there, Continue reading

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