Equinoxes and Solstices

compute the dates of equinoxes and solstices

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Actualizado 4 Jan 2021

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EQNSOL computes the date of equinoxes and solstices for the input year. This is based upon the formulas given by Jean Meeus in his "Astronomical Algorithms". The date is computed in Julian Date. This function take in JD2CAL function of "Geodetic Toolbox" by Mike Craymer (ID:15285) to convert Julian Date into gregorian calendar date.
Syntax: Y=EQNSOL(YEAR,VERBOSE)

Inputs:
YEAR (default=current Year).
VERBOSE (default=1)
Outputs:
- Y=datenum formatted array.

EQ=EQNSOL(...) will stores dates in Matlab format

Example:

y=eqnsol(2007)

All dates and times are referred to GMT without DST
Spring Equinox 21-Mar-2007 00:08:28
Summer Solstice 21-Jun-2007 18:07:12
Autumn Equinox 23-Sep-2007 09:52:05
Winter Solstice 22-Dec-2007 06:08:51

Created by Giuseppe Cardillo
giuseppe.cardillo-edta@poste.it

To cite this file, this would be an appropriate format: Cardillo G. (2007) Equinoxes and Solstices: compute the date and time of equinoxes and solstices. http://www.mathworks.com/matlabcentral/fileexchange/17977

Citar como

Giuseppe Cardillo (2023). Equinoxes and Solstices (https://github.com/dnafinder/eqnsol), GitHub. Recuperado .

Compatibilidad con la versión de MATLAB
Se creó con R2014b
Compatible con cualquier versión
Compatibilidad con las plataformas
Windows macOS Linux
Agradecimientos

Inspirado por: Geodetic Toolbox

Inspiración para: Aggregate timeseries data to solstices and equinoxes.

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Versión Publicado Notas de la versión
2.0.0.0

inputparser and github link

1.2.0.0

Changes in description

1.1.0.0

Changes in help section

1.0.0.0

Improvement in input error handling

Para consultar o notificar algún problema sobre este complemento de GitHub, visite el repositorio de GitHub.
Para consultar o notificar algún problema sobre este complemento de GitHub, visite el repositorio de GitHub.