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Calendars, Dates, & Time
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.
Calendar Zone: Perpetual
Calendars from 2001-2100.
Make a Tide Prediction
Allows you to convert dates among various calendar systems: Jewish, Gregorian,
From the Abrams Planetarium, Department of Physics and Astronomy, Michigan
Time Zones of the World (Map)
in History Sites (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.
What Time Is It?
Accurate time displays from the U.S. Naval Observatory. Gives time in
Universal Time and standard time zones.
Current local times around the world.
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