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  2. Epact - Wikipedia

    en.wikipedia.org/wiki/Epact

    A solar calendar year has 365 days (366 days in leap years).A lunar calendar year has 12 lunar months which alternate between 30 and 29 days for a total of 354 days (in leap years, one of the lunar months has a day added; since a lunar year lasts a little over ⁠354 + 1 / 3 ⁠ days, a leap year arises every second or third year rather than every fourth.)

  3. Chinese calendar correspondence table - Wikipedia

    en.wikipedia.org/wiki/Chinese_calendar...

    Relationship between the current Sexagenary cycle and Gregorian calendar. This Chinese calendar correspondence table shows the stem/branch year names, correspondences to the Western calendar, and other related information for the current, 79th Sexagenary cycle of the Chinese calendar based on the 2697 BC epoch or the 78th cycle if using the 2637 BC epoch.

  4. Ecclesiastical new moon - Wikipedia

    en.wikipedia.org/wiki/Ecclesiastical_new_moon

    An ecclesiastical new moon is the first day of a lunar month (an ecclesiastical moon) in an ecclesiastical lunar calendar. Such months have a whole number of days, 29 or 30, whereas true synodic months can vary from about 29.27 to 29.83 days in length. Medieval authors equated the ecclesiastical new moon with a new crescent moon, but it is not ...

  5. Lunar calendar - Wikipedia

    en.wikipedia.org/wiki/Lunar_calendar

    A lunisolar calendar was found at Warren Field in Scotland and has been dated to c. 8000 BC, during the Mesolithic period. [2] [3] Some scholars argue for lunar calendars still earlier—Rappenglück in the marks on a c. 17,000 year-old cave painting at Lascaux and Marshack in the marks on a c. 27,000 year-old bone baton—but their findings remain controversial.

  6. Chinese New Year 2024: Dates, this year's animal, and why it ...

    www.aol.com/chinese-2024-dates-years-animal...

    The lunar calendar is based on moon cycles, so the dates of the Lunar New Year celebration can change slightly each year. Here’s everything to know about Lunar New Year 2024. When is Chinese New ...

  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 .

  8. Lunar New Year 2024: Five things you may not know about the ...

    www.aol.com/lunar-2024-five-things-may-120601909...

    A lunar year charts 12 complete cycles of the moon and lasts approximately 354 days, as opposed to our western solar year, which lasts 365 days in accordance with the earth’s passage around the sun.

  9. 360-day calendar - Wikipedia

    en.wikipedia.org/wiki/360-day_calendar

    The 360-day calendar is a method of measuring durations used in financial markets, in computer models, in ancient literature, and in prophetic literary genres.. It is based on merging the three major calendar systems into one complex clock [citation needed], with the 360-day year derived from the average year of the lunar and the solar: (365.2425 (solar) + 354.3829 (lunar))/2 = 719.6254/2 ...