Ephemeris Computation Office
Contents
- ECO, NAOJ
- Reki Yoko
- Calendar and Ephemeris
- Topics
- FAQ
for PCs
- Daily Calendar
- Simple calendar which shows rising, transit, setting of the Sun and the Moon for major cities
- Monthly Calendar
- 24 Solar Terms, Phases of the Moon such as new moon, full moon
- Yearly Calendar
- Calendars
- Sky Viewer
- Starry sky viewer for major cities
- Sky Viewer (powered by Google Maps)
- Starry sky viewer for any place
- Koyomi Station
- You can easily obtain lots of information, such as 1) Times of rising, setting, transit of the Sun, the Moon, and planets, 2) Altitude and Azimuth of the Sun, the Moon, and planets, 3) 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
- General circumstances and local prediction of lunar occultation of planet
for Mobile Phones
- Koyomi Mobile
- Web site for mobile phones
- Daily Calendar for mobile phones
- Simple calendar which shows rising, transit, setting of the Sun and the Moon for major cities
- Monthly Calendar for mobile phones
- Date and time 24 Solar Terms and Lunar Phases
- Sky Viewer for mobile phones
- You can check what star is visible today.
- Solar Eclipse (Geolocation)
- Local Prediction of Solar Eclipse
- Lunar Eclipse (Geolocation)
- Local Prediction of Lunar Eclipse
- Transit of Planet (Geolocation)
- Local Prediction of Transit of Planet
- Lunar Occultation (Geolocation)
- Local Prediction of Lunar Occultation
