Sun-Shade Analysis   To get an idea of the extremes of sun and shade throughout the year, we look at the Vernal Equinox, and Summer & Winter Solstices. In a sun-shade analysis, it was found that from vernal to autumnal equinox, the deck is mostly sunny from 10am to 4pm; at the Summer solstice it is mostly sunny from 8am to 4pm, and does not reach complete shade until after 7pm.