The sky on June 20, 1990 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.7° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 88.9° · sign Gemini · constellation Taurus
- ☽︎ Moon — 56.7° · sign Taurus · constellation Taurus
- ☿︎ Mercury — 74.8° · sign Gemini · constellation Taurus
- ♀︎ Venus — 54.7° · sign Taurus · constellation Taurus
- ♂︎ Mars — 14.6° · sign Aries · constellation Pisces
- ♃︎ Jupiter — 107.0° · sign Cancer · constellation Gemini
- ♄︎ Saturn — 293.7° · sign Capricorn · constellation Sagittarius
- ☽︎ Moon 8% 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]
waning crescent, 8% lit; the Moon was 360,693 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
36.3 orbits of the Sun — 34,107 million km, that is 44,363 return trips to the Moon; 13,256 rotations of Earth; with the Sun — 263.4 billion km around the Galactic centre, 10.2 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 187 million km away; today it is 245 million km (farther by 1.3×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 22, on the rise to maximum (38% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on February 1, 2028; Jupiter — in 2037; a full moon exactly on this date — June 20, 2054
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,800″ since that day; the real constellations now sit 23.7° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.