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The sky on April 27, 2016 — as it really was

That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 24.1° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ☉–☽ 121.4°♃–♄ 92.1° ♀︎26° ☉︎7° ☿︎23° ♃︎13° ♂︎8° ♄︎15° ☽︎6°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 37.7° · sign Taurus · constellation Aries
  • ☽︎ Moon — 276.3° · sign Capricorn · constellation Sagittarius
  • ☿︎ Mercury — 53.5° · sign Taurus · constellation Aries
  • ♀︎ Venus — 26.9° · sign Aries · constellation Pisces
  • ♂︎ Mars — 248.3° · sign Sagittarius · constellation Ophiuchus
  • ♃︎ Jupiter — 163.5° · sign Virgo · constellation Leo
  • ♄︎ Saturn — 255.5° · sign Sagittarius · constellation Ophiuchus
  • ☽︎ Moon 76% 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]

    waning gibbous, 76% lit; the Moon was 394,856 km away.

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

    10.4 orbits of the Sun — 9,809 million km, that is 12,759 return trips to the Moon; 3,812 rotations of Earth; with the Sun — 75.8 billion km around the Galactic centre, 2.9 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 90 million km away; today it is 245 million km (farther by 2.7×).

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

    That day fell in solar cycle 24, on the decline (67% through the cycle).

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

    Mars returns to that day’s point of its orbit on August 10, 2027; Jupiter — in 2028; a full moon exactly on this date — April 27, 2040

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

    The vernal point has shifted 504″ since that day; the real constellations now sit 24.1° away from the astrologers’ “signs”.

    precession 50.29″/yr
  7. Picture of the day [EXACT]

    NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap160427.html

    NASA APOD

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