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2. November 2021 lunar eclipse - Wikipedia

   en.wikipedia.org/wiki/November_2021_lunar_eclipse

   A partial lunar eclipse occurred on 19 November 2021. The eclipse occurred towards a micromoon. [2] This was the longest partial lunar eclipse since 18 February 1440, and the longest until 8 February, 2669; however, many eclipses, including the November 2022 lunar eclipse, have a longer period of umbral contact at next to 3 hours 40 minutes. [3]

3. Lunar month - Wikipedia

   en.wikipedia.org/wiki/Lunar_month

   In lunar calendars, a lunar month is the time between two successive syzygies of the same type: new moons or full moons. The precise definition varies, especially for the beginning of the month. Animation of the Moon as it cycles through its phases, as seen from the Northern Hemisphere. The apparent wobbling of the Moon is known as libration.

4. Lunar calendar - Wikipedia

   en.wikipedia.org/wiki/Lunar_calendar

   A lunar calendar is a calendar based on the monthly cycles of the Moon 's phases ( synodic months, lunations ), in contrast to solar calendars, whose annual cycles are based on the solar year. The most widely observed purely lunar calendar is the Islamic calendar. [ a] A purely lunar calendar is distinguished from a lunisolar calendar, whose ...

5. Cherokee calendar - Wikipedia

   en.wikipedia.org/wiki/Cherokee_calendar

   Cherokee calendar. The Cherokee calendar is traditionally defined as a Lunar calendar marked by 13 moon cycles of 28 days. [note 1] Each cycle was accompanied by a ceremony. In order to rectify the Cherokee calendar with that of the Julian calendar, these cycles were reduced to 12. The seasonal round of ceremonies was integral to Cherokee society.

6. Lunar eclipse - Wikipedia

   en.wikipedia.org/wiki/Lunar_eclipse

   Lunar eclipse. A lunar eclipse is an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. [ 1] Such an alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Earth's orbit .

7. Lunisolar calendar - Wikipedia

   en.wikipedia.org/wiki/Lunisolar_calendar

   A lunisolar calendar is a calendar in many cultures, incorporating lunar calendars and solar calendars. The date of lunisolar calendars therefore indicates both the Moon phase and the time of the solar year, that is the position of the Sun in the Earth's sky. If the sidereal year (such as in a sidereal solar calendar) is used instead of the ...

8. Chinese calendar - Wikipedia

   en.wikipedia.org/wiki/Chinese_calendar

   The traditional Chinese calendar ( traditional Chinese: 農曆; simplified Chinese: 农历; lit. 'agricultural calendar'; informally traditional Chinese: 陰曆; simplified Chinese: 阴历; lit. ' lunar calendar ') is a lunisolar calendar, combining the solar, lunar, and other cycles for various social and agricultural purposes.

9. Full moon - Wikipedia

   en.wikipedia.org/wiki/Full_moon

   The full moon is the lunar phase when the Moon appears fully illuminated from Earth 's perspective. This occurs when Earth is located between the Sun and the Moon (when the ecliptic longitudes of the Sun and Moon differ by 180° ). [ 3] This means that the lunar hemisphere facing Earth—the near side —is completely sunlit and appears as an ...