Full moon of New England), while others are based in European tradition (e.g., the Colonial American names for the May moon, "Milk Moon", "Mother's Moon", "Hare Moon" have no parallels in the supposed native names, while the name of November, "Beaver Moon" is supposedly based in the Algonquin). The individual names given in "Farmers' Almanac" include: The Long Night's Moon is the last of the year and the closest to the winter solstice. "Ice moon" is also used to refer to the first full moon of January or February. In Hinduism, most festivals are celebrated on auspicious days. Many of the Hindu
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