How accurate is the lunar data?
What is the lunar calendar and how to use it?
- The Lunar Calendar is predominantly used to calculate the dates for public holidays and traditional festivities like Chinese New Year and Mid-Autumn Moon Festival. As the name would suggest, the Lunar Calendar observes the movement of the Moon around the Earth, and one lunar orbit averages 29-30 days or 12 orbits equal to 360 days.
Where do the algorithms for calculating solar and Lunar Events come from?
- Algorithms for calculating solar and lunar events are derived from NOAA Earth System Research Lab, and US Naval Observatory More information is available on the map's Forms and Controls, on the map's icons, and on the data sources. Suggestions?
Why do we use the solar calendar?
- Therefore, the Solar Calendar observes the movement of the Earth around the Sun, and one orbit is 365.25 days. And this is the calendar that we use in professional practice. So, why the Sun? Every few years or so, the Lunar Calendar will lag behind the Solar Calendar with enough days to add a 13th month.
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