The sky on March 21, 1959 — 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 — 0.1° · sign Aries · constellation Pisces
- ☽︎ Moon — 135.9° · sign Leo · constellation Cancer
- ☿︎ Mercury — 12.8° · sign Aries · constellation Pisces
- ♀︎ Venus — 30.7° · sign Taurus · constellation Aries
- ♂︎ Mars — 79.1° · sign Gemini · constellation Taurus
- ♃︎ Jupiter — 242.0° · sign Sagittarius · constellation Scorpius
- ♄︎ Saturn — 276.5° · sign Capricorn · constellation Sagittarius
- ☽︎ Moon 86% 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 gibbous, 86% lit; the Moon was 378,264 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
67.5 orbits of the Sun — 63,473 million km, that is 82,562 return trips to the Moon; 24,669 rotations of Earth; with the Sun — 490.2 billion km around the Galactic centre, 18.9 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 223 million km away; today it is 245 million km (farther by 1.1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 19, near maximum (47% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on December 5, 2026; Jupiter — in 2030; 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 3,384″ 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.