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Getting information on Calendars

Calendars
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 DB, Celestial Phenomena

Products

Reki Yoko
Calendar and Ephemeris
"Calendar and Ephemeris" Web Version

Other Resources (Japanese Only)

Topics / Reki Wiki
Rika Nenpyo, The Chronological Scientific Tables [external link]
Rare Materials Exhibition