- Astronomical Applications
 - Offers information about astronomical applications, including sunrise/sunset times, phases of the moon, eclipses and transits, and celestial navigation. - Astronomical Calendar
- Make an astronomical calandar by tracing a pole's shadow on the summer and winter solstice, and the equinox.
- Astronomical Sky Calendar
- Provides an astronomical sky calendar with links to various observatories across the world, including Harvard College and the Lick Observatory.
- Celestial Times
- Provides celestial times and coordinates for each of the nine planets. Site also gives a brief overview of asteroids and meteors.
- Compute Local Apparent Sidereal Time
- An online form. Astronomers use local sidereal time because it corresponds to the coordinate right ascension of a celestial body that is presently on the local meridian.
 Cosmicdust
- Monthly celestial events. Includes a graphic calendar.- SkyEye
- A guide to the month's celestial events. In Universal Time.
- Space Calendar
- Covers space-related activities and anniversaries for the coming year, including links to related home pages.
- Stig's Sky Calendar
- Explore the yearly dance of the Sun, Moon and planets.
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