William Zeckendorf Sr. was a notable American real estate developer who played a crucial role in shaping New York City's urban environment. He worked for and later acquired the development company Webb and Knapp, beginning in 1938. Under his leadership, significant projects were undertaken, featuring designs by renowned architects I. M. Pei and Le Corbusier. His contributions marked a transformative period in the city's architectural landscape.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 329 days away.
Death Anniversary
Next death anniversary is 56 days away.
Death Date
Place of Birth
Time Zone - America/Chicago (6:0 W)
Chinese Zodiac Sign
Birth Number
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Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - William
resolute protector, strong-willed warrior
Read Full William Name AnalysisJune 30, 1905 Facts
Generation Group
William Zeckendorf belongs to the GI Generation group.
Place of Birth: Paris
Place of Death: Lenox Hill
Cause of Death: stroke
Educated At: DeWitt Clinton High School | New York University
Occupation: real estate developer | real estate entrepreneur | art collector | businessperson
Children: William Zeckendorf, Jr.
Employers: Webb and Knapp
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.

Ephemeris for June 30, 1905
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on June 30, 2025 | Secondary Progressions for June 30, 2025 |
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Sun | 8 Cancer 14 | 9 Cancer 12 | 4 Scorpio 39 |
Moon | 14 Gemini 18 | 16 Virgo 7 | 11 Scorpio 11 |
Mercury | 15 Cancer 49 | 4 Leo 49 | 15 Scorpio 0 |
Venus | 22 Taurus 43 | 25 Taurus 44 | 8 Libra 37 |
Mars | 9 Scorpio 27 | 7 Virgo 38 | 14 Capricorn 49 |
Jupiter | 25 Taurus 54 | 4 Cancer 46 | 4 Gemini 24 |
Saturn | 3 Pisces 8 | 1 Aries 41 | 26 Aquarius 41 |
Uranus | 1 Capricorn 56 | 29 Taurus 43 | 1 Capricorn 12 |
Neptune | 7 Cancer 55 | 2 Aries 10 | 10 Cancer 22 |
Pluto | 21 Gemini 38 | 3 Aquarius 8 | 22 Gemini 31 |
Rahu | 2 Virgo 53 | 21 Pisces 55 | 26 Leo 32 |
Ketu | 2 Pisces 53 | 21 Virgo 55 | 26 Aquarius 32 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
