Happy Equinox !!

On the Equinoxes, a polar sundial's gnomon will cast a shadow directly west to east along the equinoctial line. At the moment of the Equinox, the shadow tip should be exactly in the midline, marking the transition from summer to fall. The Woodland Polar Sundial demonstrates this, which is proof that the dial is calibrated and mounted correctly. For more details, see: woodlandpolarsundial.com, Topic "March Equinox: Capturing the Moment."

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