The sky on March 21, 1957 — as it really was
That day the Sun stood in Pisces, while the horoscope says "Aries". The gap is 23.3° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 0.6° · sign Aries · constellation Pisces
- ☽︎ Moon — 250.9° · sign Sagittarius · constellation Ophiuchus
- ☿︎ Mercury — 1.3° · sign Aries · constellation Pisces
- ♀︎ Venus — 354.5° · sign Pisces · constellation Pisces
- ♂︎ Mars — 62.3° · sign Gemini · constellation Taurus
- ♃︎ Jupiter — 176.4° · sign Virgo · constellation Virgo
- ♄︎ Saturn — 254.3° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon 67% 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]
last quarter, 67% lit; the Moon was 387,992 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
69.5 orbits of the Sun — 65,351 million km, that is 85,005 return trips to the Moon; 25,399 rotations of Earth; with the Sun — 504.7 billion km around the Galactic centre, 19.5 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 268 million km away; today it is 246 million km (closer by 1.1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 19, on the rise to maximum (28% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on October 23, 2026; Jupiter — in 2028; a full moon exactly on this date — March 21, 2038
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,492″ since that day; the real constellations now sit 23.3° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.