Astronomical Applications (U.
S. Naval Observatory)
Sunrise, sunset, moonrise, moonset, and twilight; phases of the moon; eclipses; seasons; celestial information; and more.
Offical U.S. Time.
Calculation of the
Calculate the date of Easter and movable feasts in the Western (Catholic, Anglican, Protestant) and Eastern (Orthodox) traditions, plus links to other calendar pages.
Calendars from 2001-2100.
Allows you to convert dates among various calendar systems: Jewish, Gregorian, and Hebrew.
Today in History Web Resources (University of North Texas)
Virtual Reality Moon
Provides current phase of the moon or calculation of the phase of the moon on any date between 1800 and 2199.
Current local times around the world.