The sky on September 27, 1928 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 22.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 184.1° · sign Libra · constellation Virgo
- ☽︎ Moon — 337.4° · sign Pisces · constellation Aquarius
- ☿︎ Mercury — 209.7° · sign Libra · constellation Virgo
- ♀︎ Venus — 207.8° · sign Libra · constellation Virgo
- ♂︎ Mars — 87.6° · sign Gemini · constellation Taurus
- ♃︎ Jupiter — 39.1° · sign Taurus · constellation Aries
- ♄︎ Saturn — 253.9° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon 95% 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]
waxing gibbous, 95% lit; the Moon was 376,602 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
98 orbits of the Sun — 92,121 million km, that is 119,825 return trips to the Moon; 35,803 rotations of Earth; with the Sun — 711.5 billion km around the Galactic centre, 27.5 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 143 million km away; today it is 243 million km (farther by 1.7×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on June 4, 2028; Jupiter — in 2035.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,932″ since that day; the real constellations now sit 22.9° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.