АстроанализChart toolBy dateРусский

The sky on May 21, 1934 — as it really was

That day the Sun stood in Taurus — sign and constellation agree here.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♀–♃ 177.3°☉–☽ 88.5°☉–♄ 91.8°☽–♄ 179.7° ♀︎16° ♂︎21° ☉︎29° ☿︎9° ☽︎28° ♃︎13° ♄︎27°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 59.7° · sign Taurus · constellation Taurus
  • ☽︎ Moon — 148.2° · sign Leo · constellation Leo
  • ☿︎ Mercury — 69.6° · sign Gemini · constellation Taurus
  • ♀︎ Venus — 16.6° · sign Aries · constellation Pisces
  • ♂︎ Mars — 51.2° · sign Taurus · constellation Aries
  • ♃︎ Jupiter — 193.9° · sign Libra · constellation Virgo
  • ♄︎ Saturn — 327.9° · sign Aquarius · constellation Aquarius
  • ☽︎ Moon 49% 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]

    first quarter, 49% lit; the Moon was 400,590 km away.

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

    92.4 orbits of the Sun — 86,810 million km, that is 112,917 return trips to the Moon; 33,739 rotations of Earth; with the Sun — 670.5 billion km around the Galactic centre, 25.9 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 368 million km away; today it is 245 million km (closer by 1.5×).

    astronomy-engine; checked against JPL Horizons for 2026-09-14
  4. When the sky repeats [EXACT]

    Mars returns to that day’s point of its orbit on June 5, 2028; Jupiter — in 2029.

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

    The vernal point has shifted 4,644″ since that day; the real constellations now sit 22.9° away from the astrologers’ “signs”.

    precession 50.29″/yr

Other dates

Your chart with time and place

Computed from the date only; nothing about you is stored.