The sky on January 7, 1983 — as it really was
That day the Sun stood in Sagittarius, while the horoscope says "Capricorn". The gap is 23.6° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 286.6° · sign Capricorn · constellation Sagittarius
- ☽︎ Moon — 212.5° · sign Scorpio · constellation Virgo
- ☿︎ Mercury — 302.6° · sign Aquarius · constellation Capricornus
- ♀︎ Venus — 302.2° · sign Aquarius · constellation Capricornus
- ♂︎ Mars — 322.1° · sign Aquarius · constellation Capricornus
- ♃︎ Jupiter — 242.4° · sign Sagittarius · constellation Scorpius
- ♄︎ Saturn — 213.3° · sign Scorpio · constellation Virgo
- ☽︎ Moon 36% illuminated
astronomy-engine ephemerides (VSOP87/ELP), IAU 1930 constellation boundaries. Positions accurate to a fraction of a degree.
The day’s dossier, from real data
Checkable facts with a tag and a source; the classical reading is in the chart.
- The Moon that day [EXACT]
last quarter, 36% lit; the Moon was 390,723 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
43.7 orbits of the Sun — 41,108 million km, that is 53,470 return trips to the Moon; 15,977 rotations of Earth; with the Sun — 317.5 billion km around the Galactic centre, 12.3 light-days.
29.78 km/s along the orbit; 230 km/s around the Galactic centre - Mars then and now [EXACT]
On that day Mars was 308 million km away; today it is 245 million km (closer by 1.3×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 21, on the decline (65% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on February 28, 2028; Jupiter — in 2030.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,196″ since that day; the real constellations now sit 23.6° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.