SunCalcMeeus: Sun Position and Daylight Calculations

Compute the position of the sun, and local solar time using Meeus' formulae. Compute day and/or night length using different twilight definitions or arbitrary sun elevation angles. This package is part of the 'r4photobiology' suite, Aphalo, P. J. (2015) <doi:10.19232/uv4pb.2015.1.14>. Algorithms from Meeus (1998, ISBN:0943396611).

Package details

AuthorPedro J. Aphalo [aut, cre] (<https://orcid.org/0000-0003-3385-972X>)
MaintainerPedro J. Aphalo <pedro.aphalo@helsinki.fi>
LicenseGPL (>= 2)
Version0.1.2
URL https://docs.r4photobiology.info/SunCalcMeeus/ https://github.com/aphalo/SunCalcMeeus
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("SunCalcMeeus")

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SunCalcMeeus documentation built on April 4, 2025, 1:43 a.m.