James George ('Jim') Defares was a Dutch physician, physiologist, biomathematician, author, and songwriter. Born on April 28, 1927, in Bandjermasin, he studied medicine at the Municipal University of Amsterdam and earned his doctorate in 1956 from Utrecht University. In 2001, he was ranked sixth in the top 20 quacks of the 20th century by the Dutch Association Against Quackery. Defares contributed to various fields throughout his career until his death on August 4, 2015, in Aerdenhout.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 307 days away.
Death Anniversary
Next death anniversary is 40 days away.
Death Date
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - James
supplanter, he who takes the place of another
Read Full James Name AnalysisApril 28, 1927 Facts
Generation Group
James George Defares belongs to the GI Generation group.
Place of Birth: Banjarmasin
Place of Death: Aerdenhout
Educated At: Gemeentelijke Universiteit van Amsterdam | Universiteit Utrecht
Occupation: university teacher | physician
Employers: Leiden University
Awards Received: Vereniging tegen de Kwakzalverij top 20 kwakzalvers of the 20th century
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 April 28, 1927
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on April 28, 2025 | Secondary Progressions for April 28, 2025 |
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Sun | 7 Taurus 24 | 8 Taurus 39 | 11 Leo 18 |
Moon | 27 Pisces 46 | 21 Taurus 28 | 29 Libra 55 |
Mercury | 16 Aries 23 | 12 Aries 30 | 23 Cancer 6 |
Venus | 14 Gemini 6 | 28 Pisces 56 | 20 Virgo 44 |
Mars | 6 Cancer 50 | 4 Leo 33 | 6 Virgo 30 |
Jupiter | 23 Pisces 11 | 20 Gemini 55 | 3 Aries 15 |
Saturn | 6 Sagittarius 47 | 27 Pisces 31 | 1 Sagittarius 29 |
Uranus | 1 Aries 30 | 26 Taurus 12 | 3 Aries 8 |
Neptune | 24 Leo 12 | 1 Aries 1 | 26 Leo 8 |
Pluto | 13 Cancer 59 | 3 Aquarius 48 | 16 Cancer 9 |
Rahu | 0 Cancer 44 | 25 Pisces 15 | 25 Gemini 33 |
Ketu | 0 Capricorn 44 | 25 Virgo 15 | 25 Sagittarius 33 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
