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.
Covers space-related activities and anniversaries for the coming year, including links to related home pages.
Astronomical Sky Calendar
Provides an astronomical sky calendar with links to various observatories across the world, including Harvard College and the Lick Observatory.
Make an astronomical calandar by tracing a pole's shadow on the summer and winter solstice, and the equinox.
A guide to the month's celestial events. In Universal Time.
Stig's Sky Calendar
Explore the yearly dance of the Sun, Moon and planets.
Provides celestial times and coordinates for each of the nine planets. Site also gives a brief overview of asteroids and meteors.