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The sky on January 28, 1963 — as it really was

That day the Sun stood in Capricornus, while the horoscope says "Aquarius". The gap is 23.3° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♂︎17° ♀︎21° ☿︎21° ☉︎7° ♄︎13° ♃︎14° ☽︎16°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 307.8° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon — 346.4° · sign Pisces · constellation Aquarius
  • ☿︎ Mercury — 291.6° · sign Capricorn · constellation Sagittarius
  • ♀︎ Venus — 261.1° · sign Sagittarius · constellation Ophiuchus
  • ♂︎ Mars — 137.7° · sign Leo · constellation Leo
  • ♃︎ Jupiter — 344.5° · sign Pisces · constellation Aquarius
  • ♄︎ Saturn — 313.1° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon 11% 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.

  1. The Moon that day [EXACT]

    waxing crescent, 11% lit; the Moon was 368,004 km away.

    astronomy-engine
  2. How far Earth has travelled since [EXACT]

    63.7 orbits of the Sun — 59,849 million km, that is 77,847 return trips to the Moon; 23,260 rotations of Earth; with the Sun — 462.2 billion km around the Galactic centre, 17.8 light-days.

    29.78 km/s along the orbit; 230 km/s around the Galactic centre
  3. Mars then and now [EXACT]

    On that day Mars was 101 million km away; today it is 245 million km (farther by 2.4×).

    astronomy-engine; checked against JPL Horizons for 2026-09-14
  4. Solar cycle [ESTIMATE]

    That day fell in solar cycle 19, on the decline (84% through the cycle).

    SILSO smoothed minima
  5. When the sky repeats [EXACT]

    Mars returns to that day’s point of its orbit on January 9, 2027; Jupiter — in 2034; a full moon exactly on this date — January 27, 2032

    sidereal periods: Mars 686.98 d, Jupiter 11.862 yr
  6. How far the sky has drifted since [EXACT]

    The vernal point has shifted 3,204″ since that day; the real constellations now sit 23.3° away from the astrologers’ “signs”.

    precession 50.29″/yr

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