Jeffrey C. Hall, born on May 3, 1945, is an American geneticist known for his work in circadian biology. Currently retired and residing in Maine, Hall has dedicated his research to studying the nervous system and its behaviors, particularly through the analysis of black fruit fly behavior. His groundbreaking work revealed essential mechanisms of sexual differentiation in the nervous system. He was elected to the National Academy of Sciences and, along with Michael Young and Michael Rosbash, received the 2017 Nobel Prize in Physiology or Medicine for their significant discoveries regarding the molecular mechanisms regulating biological rhythms.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 288 days away.
Place of Birth
Time Zone - America/New_York (4:0 W)
Chinese Zodiac Sign
Birth Number
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Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Jeffrey
Peaceful ruler, God's peace
Read Full Jeffrey Name AnalysisMay 3, 1945 Facts
Generation Group
Jeffrey C. Hall belongs to the Silent Generation group.
Place of Birth: Brooklyn
Educated At: University of Washington | Amherst College
Occupation: geneticist | university teacher | biologist
Employers: Brandeis University
Awards Received: The Shaw Prize in Life Science and Medicine | Fellow of the American Academy of Arts and Sciences | Massry Prize | Gruber Prize in Neuroscience | Canada Gairdner International Award | Genetics Society of America Medal | Louisa Gross Horwitz Prize | Nobel Prize in Physiology or Medicine
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 May 3, 1945
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 3, 2025 | Secondary Progressions for May 3, 2025 |
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Sun | 12 Taurus 51 | 13 Taurus 28 | 29 Cancer 27 |
Moon | 23 Capricorn 22 | 2 Leo 36 | 29 Sagittarius 48 |
Mercury | 18 Aries 32 | 19 Aries 16 | 26 Leo 25 |
Venus | 17 Aries 25 | 1 Aries 44 | 15 Gemini 52 |
Mars | 0 Aries 38 | 6 Leo 50 | 29 Taurus 31 |
Jupiter | 17 Virgo 31 | 21 Gemini 55 | 23 Virgo 39 |
Saturn | 7 Cancer 10 | 28 Pisces 1 | 16 Cancer 46 |
Uranus | 11 Gemini 26 | 26 Taurus 29 | 15 Gemini 53 |
Neptune | 4 Libra 6 | 1 Aries 10 | 4 Libra 2 |
Pluto | 7 Leo 56 | 3 Aquarius 48 | 9 Leo 32 |
Rahu | 12 Cancer 18 | 25 Pisces 0 | 8 Cancer 4 |
Ketu | 12 Capricorn 18 | 25 Virgo 0 | 8 Capricorn 4 |
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.Jeffrey C. Hall's 2025 Transits to Natal Planets
- Rahu conjunction Mars
Exact: 01 January, 2025 - Mars opposition Moon
Exact: 21 January, 2025 - Saturn opposition Jupiter
Exact: 10 February, 2025 - Mars opposition Moon
Exact: 01 April, 2025 - Mars aspects Mars
Exact: 20 June, 2025 - Saturn conjunction Mars
Exact: 20 June, 2025 - Jupiter conjunction Saturn
Exact: 10 July, 2025 - Mars aspects Mercury
Exact: 20 July, 2025 - Mars opposition Mars
Exact: 09 August, 2025 - Jupiter conjunction Rahu
Exact: 09 August, 2025 - Jupiter opposition Ketu
Exact: 09 August, 2025 - Ketu conjunction Jupiter
Exact: 08 September, 2025 - Jupiter opposition Moon
Exact: 18 October, 2025 - Jupiter opposition Moon
Exact: 07 December, 2025 - Mars square Mars
Exact: 17 December, 2025