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Getting information on Calendars

Calendars

• Daily Calendar : Times of rising, transit, setting of Sun and Moon for major cities in Japan.
• Monthly Calendar : Dates of 24 Solar Terms and phases of the Moon.
• Yearly Calendar : Simple Calendar
• Local Calendar : Times of rising, setting, transit of Sun and Moon for major cities in Japan

Sky Viewer / Frame Version

Starry sky viewer for major cities. Google Maps version is also available.

Koyomi Station

You can easily obtain astronomical data such as

 Times of rising, setting, transit of the Sun, the Moon, and planets;

 Altitude and Azimuth of the Sun, the Moon, and planets;

 Lunar Age.

Solar Eclipse

General circumstances and local prediction of Solar Eclipse

Lunar Eclipse

General circumstances and local prediction of Lunar Eclipse

Transit of Planet

General circumstances and local prediction of Transit of Mercury / Venus

Lunar Occultation of Planet

Local prediction of Lunar Occultation of Planet

Long term databases: Eclipses, Japanese Calendar, Koyomi Station Long Term Edition, Celestial Phenomena Long Term Edition

Products

Reki Yoko

Calendar and Ephemeris

"Calendar and Ephemeris" Web Version

Other Resources (Japanese Only)

Topics / Reki Wiki

Rika Nenpyo, The Chronological Scientific Tables

Rare Materials Exhibition