NAME
Time::Keeper::Body::Day - what a planet's day and a star's day share
VERSION
Version 0.01
SYNOPSIS
my $d = $sky->on($date, 'jupiter'); # a Time::Keeper::Planet::Day
my $d = $sky->on($date, 'Sirius'); # a Time::Keeper::Star::Day
$d->isa('Time::Keeper::Body::Day'); # both
$d->body; # 'jupiter', 'Sirius'
$d->rise; $d->set; $d->transit; # values, or undef
$d->rises; $d->sets; $d->transits; # all of them in the day
$d->events; # ([rise => value], [transit => value], ...)
$d->is_up_all_day; $d->is_down_all_day;DESCRIPTION
The methods of Time::Keeper::Planet::Day and Time::Keeper::Star::Day, which inherit them. A day of either is made by its class's on, or by "on" in Time::Keeper::Sky with the body's name; this class makes none of its own.
METHODS
rise
set
transit
The first rise, set or upper transit in the day, as a Time::Keeper value in the place's zone, or undef.
rises
sets
transits
All of them in the day, in order (two at most).
events
Every event of the day in order of time, as [name, value] pairs, the names rise, set and transit.
is_up_all_day
is_down_all_day
On a day with neither a rise nor a set, which way it went.
body
The body's name: the planet's, or the star's IAU name (HR n for a star without one).
date
zone_name
start
end
place
The day: its Time::Keeper::Date, its zone's name, its first moment and the next day's, and the place (a Time::Keeper::Sun, which is a Time::Keeper::Sky).
SEE ALSO
Time::Keeper::Planet::Day, Time::Keeper::Star::Day, Time::Keeper::Sky.
AUTHOR
LNATION, <email at lnation.org>
LICENSE AND COPYRIGHT
This software is Copyright (c) 2026 by LNATION.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)