Calculateur d'éphémérides
Compute astronomical horizon azimuths for any epoch from 14,000 BC to present. Powered by the Laskar 1986 obliquity polynomial and spherical astronomy.
2024 AD
Obliquity: 23.436°(Laskar 1986)
13001 BC2026 AD
Solstices
Summer Solstice
Declination23.436°
Sunrise Azimuth52.375°
Sunset Azimuth308.404°
Winter Solstice
Declination-23.436°
Sunrise Azimuth126.763°
Sunset Azimuth233.991°
Equinox: sunrise at 90.000°, sunset at 270.000° (epoch-independent)
Lunar Standstills
Major Standstill North
Declination28.581°
Moonrise Az42.852°
Moonset Az318.059°
Major Standstill South
Declination-28.581°
Moonrise Az136.147°
Moonset Az224.721°
Minor Standstill North
Declination18.291°
Moonrise Az61.118°
Moonset Az299.584°
Minor Standstill South
Declination-18.291°
Moonrise Az118.100°
Moonset Az242.587°
The 18.6-year lunar nodal cycle shifts the Moon's maximum declination between major (ε+5.145°) and minor (ε-5.145°) standstill values.