BC Gnomonics
Overcoming the Limitations of the Equatorial Ring Dial
Specialized sub-types of the OERD While the equatorial ring dial sits at both the end and peak of portable sundial development, it has...
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BC Gnomonics
BC Gnomonics
Jun 122 min
2024 Summer Update
Interactive models, further reading, recommended sellers, and more Already underway is a grand summer update, the first major influx of...
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Evan Boxer-Cook
Sep 24, 20232 min
Equinoctial Blockage
The effect of the equinox on the equatorial ring dial Typically, when a sundial does not display the time, the explanation is that there...
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Evan Boxer-Cook
Sep 2, 20231 min
Macrocosm in the Microcosm
The celestial sphere in armillary dials Recently, I had the opportunity to visit one of the finest armillary sundials in the country,...
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Evan Boxer-Cook
Aug 30, 20234 min
Sundials for the Era of Timezones
Do heliochronometers enhance or limit the intuitive understanding of the celestial sphere? Most extant sundials today were built for a...
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Evan Boxer-Cook
Jul 9, 20231 min
This Sundial Has a Lot of Style
Two of them, in fact The video below offers a demonstration of the effects of a wide gnomon on horizontal sundials. When the gnomon of a...
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Evan Boxer-Cook
Jun 30, 20235 min
What Makes an Armillary Dial?
To classify sundials is a notoriously difficult task Pinning down the defining characteristics of anything man-made proves difficult, as...
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Evan Boxer-Cook
Jun 4, 20232 min
BC Gnomonics Site Launch
Welcome to BC Gnomonics! On this site, you will find a variety of resources diagramming the practical uses of sundials, astrolabes,...
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