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The sky on November 30, 1954 — as it really was

That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 23.2° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♃︎29° ♄︎15° ♀︎15° ☿︎24° ☉︎7° ☽︎2° ♂︎27°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 247.8° · sign Sagittarius · constellation Ophiuchus
  • ☽︎ Moon — 303.0° · sign Aquarius · constellation Capricornus
  • ☿︎ Mercury — 234.2° · sign Scorpio · constellation Libra
  • ♀︎ Venus — 225.3° · sign Scorpio · constellation Libra
  • ♂︎ Mars — 327.3° · sign Aquarius · constellation Aquarius
  • ♃︎ Jupiter — 119.6° · sign Cancer · constellation Cancer
  • ♄︎ Saturn — 225.1° · sign Scorpio · constellation Libra
  • ☽︎ Moon 22% 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, 22% lit; the Moon was 393,363 km away.

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

    71.8 orbits of the Sun — 67,523 million km, that is 87,829 return trips to the Moon; 26,243 rotations of Earth; with the Sun — 521.5 billion km around the Galactic centre, 20.1 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 179 million km away; today it is 244 million km (farther by 1.4×).

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

    That day fell in solar cycle 19, right at the minimum (6% through the cycle).

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

    Mars returns to that day’s point of its orbit on April 7, 2028; Jupiter — in 2037; a full moon exactly on this date — November 30, 2058

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

    The vernal point has shifted 3,600″ since that day; the real constellations now sit 23.2° away from the astrologers’ “signs”.

    precession 50.29″/yr

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