Moonrise and Moonset Calculations
Determine the times of moonrise, meridian transit, and moonset, as well as the azimuth, altitude, and lunar age at noon at the observation point.
Please specify longitude (West) and latitude (South) as negative values.
| Moonrise | Azimuth degrees |
| Meridian transit | Altitude degrees |
| Moonset | Azimuth degrees |
| Lunar age | Day (Noon) |
Azimuths are measured as follows: North: 0 degrees, East: 90 degrees, South: 180 degrees, West: 270 degrees.
A flat horizon is assumed; specific topographical features are not taken into account.
Calculation results may contain errors of a few seconds, which increase at higher latitudes.
References)
Calculations of Sunrise and Sunset by Kō Nagasawa (Author), Chijinshokan
A flat horizon is assumed; specific topographical features are not taken into account.
Calculation results may contain errors of a few seconds, which increase at higher latitudes.
References)
Calculations of Sunrise and Sunset by Kō Nagasawa (Author), Chijinshokan
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