The sky on June 21, 1943 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.1° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 89.2° · sign Gemini · constellation Taurus
- ☽︎ Moon — 315.1° · sign Aquarius · constellation Capricornus
- ☿︎ Mercury — 66.7° · sign Gemini · constellation Taurus
- ♀︎ Venus — 134.5° · sign Leo · constellation Cancer
- ♂︎ Mars — 18.4° · sign Aries · constellation Pisces
- ♃︎ Jupiter — 118.0° · sign Cancer · constellation Cancer
- ♄︎ Saturn — 77.8° · sign Gemini · constellation Taurus
- ☽︎ Moon 85% 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, 85% lit; the Moon was 362,873 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
83.3 orbits of the Sun — 78,273 million km, that is 101,812 return trips to the Moon; 30,421 rotations of Earth; with the Sun — 604.5 billion km around the Galactic centre, 23.3 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 198 million km away; today it is 246 million km (farther by 1.2×).
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 9, 2028; Jupiter — in 2038; a full moon exactly on this date — June 20, 2035
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,176″ since that day; the real constellations now sit 23.1° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.