Equinox And Solstice Date Calculator
Equinox And Solstice Date: a planned Super Calculator tool. Covers year (n). Stub page: the tool, its formula and a worked example are not published yet.
Equinox And Solstice Date Calculator is a planned calculator in the dates and time section of Super Calculator, covering dates and time.
What this calculator will compute
Inputs: year (n), time zone (IANA id) and hemisphere (label).
Outputs: equinox and solstice instants (datetime), season start dates (date) and season lengths (d).
Formula, recorded as scope and not yet verified against a primary source: Instants at which the apparent geocentric solar longitude equals 0, 90, 180 and 270 degrees, solved iteratively from a solar longitude series. Astronomical seasons differ from meteorological seasons, which start on fixed month boundaries.
Status
This page is a stub. The calculator is not built, no figure on this page has been verified against the authority that sets it, and nothing here should be used to make a decision. The page exists so that the site structure is complete and so that articles can link this concept on first mention.
The stub carries noindex, nofollow and is excluded from the sitemap.