The sky on May 28, 1927 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 22.8° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 66.2° · sign Gemini · constellation Taurus
- ☽︎ Moon — 33.8° · sign Taurus · constellation Cetus
- ☿︎ Mercury — 76.2° · sign Gemini · constellation Taurus
- ♀︎ Venus — 108.3° · sign Cancer · constellation Gemini
- ♂︎ Mars — 114.6° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 358.7° · sign Pisces · constellation Pisces
- ♄︎ Saturn — 244.2° · sign Sagittarius · constellation Scorpius
- ☽︎ 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 364,092 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
99.4 orbits of the Sun — 93,375 million km, that is 121,456 return trips to the Moon; 36,291 rotations of Earth; with the Sun — 721.2 billion km around the Galactic centre, 27.8 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 322 million km away; today it is 244 million km (closer by 1.3×).
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 February 2, 2027; Jupiter — in 2034; a full moon exactly on this date — May 27, 2029
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 5,004″ since that day; the real constellations now sit 22.8° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.