Black moon years. When February is without full moon, then the preceding January or December and the following March or April have two full moons. As with the case of two new moons in a month, whether a black moon by this definition occurs depends on the time zone. Calculated in UTC, instances of a month without full moon between 1990 and 2040 are: Another use of the term is for the absence of the new moon in a calendar month. This can occur only in February; it happens about every 19 years. When February is without new moon, then the preceding
Full moon in the sky.) Thus, there is no long period of darkness between sunset and moonrise for several days after the full moon, thus lengthening the time in the evening when there is enough light for men to see to work to get the harvest in. The "Maine Farmers' Almanac" from c. the 1930s began to publish Native American "Indian" full moon names. The "Farmers' Almanac" (since 1955 published in Maine, but not the same publication as the "Maine Farmers' Almanac") continues to do so. An early list of "Indian month names" was published in 1918 by Daniel Carter Beard in