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Calendar and Ephemeris

The book "Calendar and Ephemeris" contains information on national holidays, 24 Solar Terms and Supplementary Solar Terms, apparent position of Sun, Moon and planets, lunar phases, times of sunrise and sunset, solar and lunar eclipses, planetary phenomena, etc. This page allows web access to its extended version. Since this web version is based on the latest theory, some values might be different from those in the published issues.

Web Version

24 Solar Terms including Equinoxes and Solstices, Supplementary Solar Terms
Phases of the Moon
Celestial Phenomena
Dwarf Planets, Asteroids
Eclipse, Transit, Occultation
Fundamental Values
Topics (Japanese Only)