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Astro::Montenbruck::Lunation - Lunar quarters.
use Astro::Montenbruck::Lunation qw/:all/; # find instant of New Moon closest to 2019 Aug, 12 $jd = search_event([2019, 8, 12], $NEW_MOON)
Searches lunar quarters. Algorithms are based on "Astronomical Algorithms" by Jean Meeus, Second Edition, Willmann-Bell, Inc., 1998.
Array of QUARTERS in proper order.
Calculate instant of apparent lunar phase closest to the given date.
date — array of year (astronomical, zero-based), month [1..12] and day, [1..31].
quarter — which quarter, one of:
In scalar context returns Standard Julian day of the event, dynamic time.
In list context:
Standard Julian day of the event, dynamic time.
Argument of latitude, arc-degrees. This value is required for detecting elipses.
<krushi at cpan.org>
Copyright (C) 2009-2021 by Sergey Krushinsky
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.