The sky on June 6, 1977 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.5° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 75.7° · sign Gemini · constellation Taurus
- ☽︎ Moon — 319.5° · sign Aquarius · constellation Aquarius
- ☿︎ Mercury — 53.3° · sign Taurus · constellation Taurus
- ♀︎ Venus — 30.2° · sign Taurus · constellation Pisces
- ♂︎ Mars — 30.3° · sign Taurus · constellation Aries
- ♃︎ Jupiter — 74.1° · sign Gemini · constellation Taurus
- ♄︎ Saturn — 132.6° · sign Leo · constellation Cancer
- ☽︎ Moon 72% 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 gibbous, 72% lit; the Moon was 376,043 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
49.3 orbits of the Sun — 46,361 million km, that is 60,303 return trips to the Moon; 18,018 rotations of Earth; with the Sun — 358.1 billion km around the Galactic centre, 13.8 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 285 million km away; today it is 244 million km (closer by 1.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 21, right at the minimum (12% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on March 18, 2028; Jupiter — in 2036.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 2,484″ since that day; the real constellations now sit 23.5° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.