The sky on February 21, 1939 — as it really was
That day the Sun stood in Aquarius, while the horoscope says "Pisces". The gap is 23.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 332.0° · sign Pisces · constellation Aquarius
- ☽︎ Moon — 355.7° · sign Pisces · constellation Pisces
- ☿︎ Mercury — 334.0° · sign Pisces · constellation Aquarius
- ♀︎ Venus — 286.4° · sign Capricorn · constellation Sagittarius
- ♂︎ Mars — 253.9° · sign Sagittarius · constellation Ophiuchus
- ♃︎ Jupiter — 341.9° · sign Pisces · constellation Aquarius
- ♄︎ Saturn — 15.1° · sign Aries · constellation Pisces
- ☽︎ Moon 4% 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, 4% lit; the Moon was 400,145 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
87.6 orbits of the Sun — 82,341 million km, that is 107,103 return trips to the Moon; 32,002 rotations of Earth; with the Sun — 635.9 billion km around the Galactic centre, 24.6 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 218 million km away; today it is 245 million km (farther by 1.1×).
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 July 17, 2027; Jupiter — in 2034; a full moon exactly on this date — February 20, 2027
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 4,392″ 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.