This category lists sites specifically for sky calendars used for the purpose of viewing preparations.

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Astronomical Sky Calendar
Program that when given a particular date generates information, the Julian date, sun rise and set times, moon rise and set times, and percent illumination.
Clear Sky Clock
Graphical short-term predictions of seeing related weather conditions at a large number of sites in North America.
Moonstick Information Site
A slide rule moon phase calendar determines the phases for any date, past (8000 years), present, or future.
The Natural Year - Circular Almanac
Daily weather averages and astronomical information.
The Night Sky This Week
Provides updated weekly information about the night sky, including specific planetary locations and details on the most important asteroids, comets, and meteor showers.
Observing
The sky at a glance, highlights, sky chart, and gallery from Sky and Telescope Magazine.
Que Tal
Month at-a-glance, what's up, planet watch, phases and encounters sun watch, and star maps and charts.
SkyEye
A calendar of celestial events by the appropriate month.
The Solar Almanac
Monthly events customizable for different locations.
[Telescope Mozilla]
Last update:
November 23, 2016 at 4:47:31 UTC
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