The sky on June 13, 1937 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 82.0° · sign Gemini · constellation Taurus
- ☽︎ Moon — 144.4° · sign Leo · constellation Leo
- ☿︎ Mercury — 59.4° · sign Taurus · constellation Taurus
- ♀︎ Venus — 37.1° · sign Taurus · constellation Aries
- ♂︎ Mars — 230.9° · sign Scorpio · constellation Libra
- ♃︎ Jupiter — 296.0° · sign Capricorn · constellation Sagittarius
- ♄︎ Saturn — 4.2° · sign Aries · constellation Pisces
- ☽︎ Moon 27% 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 crescent, 27% lit; the Moon was 379,821 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
89.3 orbits of the Sun — 83,932 million km, that is 109,172 return trips to the Moon; 32,620 rotations of Earth; with the Sun — 648.2 billion km around the Galactic centre, 25 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 79 million km away; today it is 245 million km (farther by 3.1×).
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 September 24, 2027; Jupiter — in 2032; a full moon exactly on this date — June 12, 2033
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,464″ since that day; the real constellations now sit 23° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.