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Typical monthly calendars that include lunar phases may be offset by one day when used in a different time zone.Full moon is generally a suboptimal time to conduct astronomical observations because the bright sunlight reflected by the Moon then outshines the apparently dimmer stars.Lunar eclipses happen only during full moon and around points on its orbit where the satellite may pass through the planet's shadow.A lunar eclipse does not occur every month because the Moon's orbit is inclined 5.14° with respect to the ecliptic plane of earth; thus, the Moon usually passes north or south of Earth's shadow, which is mostly restricted to this plane of reference.The interval period between a new or full moon and the next same phase, a synodic month, averages about 29.53 days.Therefore, in those lunar calendars in which each month begins on the day of the new moon, the full moon falls on either the 14th or 15th day of the lunar month.The Oxford English Dictionary entry for "harvest moon" cites a 1706 reference, and for "hunter's moon" a 1710 edition of The British Apollo, where the term is attributed to "the country people" (The Country People call this the Hunters-Moon.).The names became traditional in American folklore, where they are now often popularly attributed to the Native Americans. Because the moon moves eastward among the stars faster than the sun its meridian passage is delayed, causing it to rise later each day – on average by about 50.47 minutes.
Wenn du auf unsere Website klickst oder hier navigierst, stimmst du der Erfassung von Informationen durch Cookies auf und außerhalb von Facebook zu.Lunar eclipses happen only when the full moon occurs around either node of its orbit (ascending or descending).Therefore, a lunar eclipse occurs approximately every 6 months and often 2 weeks before or after a solar eclipse, which occurs during new moon around the opposite node.Since the introduction of the solar Julian calendar in the Roman Empire, and later the Gregorian calendar worldwide, people no longer perceive month names as "moon" names.
The traditional Old English month names were equated with the names of the Julian calendar from an early time (soon after Christianization, according to the testimony of Bede ca. Some full moons have developed new names in modern times, e.g., the blue moon, and the names "harvest moon" and "hunter's moon" for the full moons of autumn.On 12 December 2008, the full moon occurred closer to the Earth than it had been at any time for the previous 15 years, called a supermoon.where N is the number of full moons since the first full moon of 2000.Because a calendar month consists of a whole number of days, a lunar month may be either 29 or 30 days long.