Calendar::solar Which::equinox Tropical::position Indicate::dates Vernal::lunar Orbit::called
A solar calendar is a calendar whose dates indicate the position of Earth on its revolution around the Sun or, equivalently, the apparent position of the sun moving on the celestial sphere. The other commonly used system is a lunar calendar which dates the months based on cycles of the lunar phases.
Solar calendar sections
Intro Astronomy Tropical solar calendars Sidereal solar calendars Non-solar calendars Lunisolar calendars See also References External links
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