Charles P. O'Brien, born on August 20, 1939, in New Orleans, Louisiana, is a prominent research scientist and medical educator known for his expertise in addiction science and treatment. He holds board certifications in neurology, psychiatry, and addiction psychiatry. Currently, he serves as the Kenneth E. Appel Professor of Psychiatry and vice chair of psychiatry at the Perelman School of Medicine at the University of Pennsylvania, contributing significantly to the field of addiction medicine.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 347 days away.
Place of Birth
Time Zone - America/Chicago (5:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Charles
free man, manly
Read Full Charles Name AnalysisAugust 20, 1939 Facts
Generation Group
Charles P. O'Brien belongs to the Silent Generation group.
Place of Birth: New Orleans
Educated At: Tulane University School of Medicine | Tulane University
Occupation: neurophysiologist | university teacher | psychiatrist | physician
Employers: University of Pennsylvania
Awards Received: Sarnat Prize | Society of Biological Psychiatry Gold Medal Award | Strecker Award
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 August 20, 1939
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on August 20, 2025 | Secondary Progressions for August 20, 2025 |
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Sun | 26 Leo 46 | 27 Leo 55 | 21 Scorpio 25 |
Moon | 12 Scorpio 23 | 26 Cancer 17 | 3 Capricorn 27 |
Mercury | 12 Leo 8 | 9 Leo 26 | 12 Sagittarius 58 |
Venus | 22 Leo 21 | 24 Cancer 4 | 9 Sagittarius 26 |
Mars | 24 Capricorn 0 | 8 Libra 39 | 26 Aquarius 53 |
Jupiter | 7 Aries 57 | 15 Cancer 46 | 28 Pisces 59 |
Saturn | 1 Taurus 22 | 0 Aries 37 | 26 Aries 10 |
Uranus | 21 Taurus 57 | 1 Gemini 22 | 19 Taurus 54 |
Neptune | 22 Virgo 5 | 1 Aries 37 | 24 Virgo 59 |
Pluto | 1 Leo 48 | 1 Aquarius 58 | 2 Leo 53 |
Rahu | 2 Scorpio 36 | 19 Pisces 13 | 28 Libra 3 |
Ketu | 2 Taurus 36 | 19 Virgo 13 | 28 Aries 3 |
Chandra Kundali (Equal House, North Indian Diamond Chart)

Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Charles P. O'Brien's 2025 Transits to Natal Planets
- Mars opposition Mars
Exact: 21 January, 2025 - Mars opposition Mars
Exact: 01 April, 2025 - Mars conjunction Sun
Exact: 10 June, 2025 - Jupiter trine Rahu
Exact: 20 June, 2025 - Mars aspects Jupiter
Exact: 30 June, 2025 - Mars aspects Saturn
Exact: 09 August, 2025 - Jupiter trine Moon
Exact: 09 August, 2025 - Mars opposition Jupiter
Exact: 19 August, 2025 - Jupiter opposition Mars
Exact: 27 November, 2025