Full moon is called a blue moon. The term "blue moon" used in this sense may date to as early as the 16th century, but it became well known in the United States due to the "Farmers' Almanac" (published since 1818). According to the "Farmers' Almanac", a "blue moon" is the third full moon in any period between either solstice and equinox, or between equinox and solstice, (calculated using the mean tropical year), which contains four full moons. These seasons are equal in length, unlike the astronomical ones, which vary in length depending on the Earth's speed in its elliptical orbit round
Heroes of the Equinox last wave of the equinox. At the base of the island lies a harbour with a lighthouse – it is from there that the children of each new generation set sail. At the top of a mighty mountain lies the Dome of Imaginary Revelations, where each champion must undergo a spiritual test, and the Palace of the Supreme Mother of Filene. Inside the palace are apartments for the prospective champions and rooms for the successful ones to live out the rest of their lives there following the production of the children. Heroes of the Equinox Heroes of the Equinox is