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).
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curl https://depscope.dev/api/check/conda/r-suncalcmeeusFirst published · 2025-04-25 07:50:23.541000+00:00
Last updated · 2025-09-22 09:45:47.112000+00:00