James B. Ranck Jr. is a prominent professor of Physiology at SUNY Downstate Medical Center, celebrating his contributions to neuroscience through innovative research methods. He is known for his pioneering work in recording single neurons in living animals, which has facilitated significant advancements in behavioral studies. Ranck is most notably recognized for discovering head-direction cells in 1984, which are vital for understanding spatial navigation in the brain.
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Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 338 days away.
Place of Birth
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Meaning of the name - James
supplanter, he who takes the place of another
Read Full James Name AnalysisAugust 17, 1930 Facts
Generation Group
James B. Ranck, Jr. belongs to the Silent Generation group.
Educated At: Columbia University Vagelos College of Physicians and Surgeons | Haverford College
Occupation: physiologist
Employers: SUNY Downstate Health Sciences University | University of Michigan | University of Washington
Awards Received: Fellow of the American Association for the Advancement of Science
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 17, 1930
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on August 17, 2025 | Secondary Progressions for August 17, 2025 |
---|---|---|---|
Sun | 24 Leo 2 | 25 Leo 2 | 27 Scorpio 39 |
Moon | 26 Taurus 40 | 14 Gemini 37 | 1 Sagittarius 5 |
Mercury | 19 Virgo 57 | 6 Leo 39 | 5 Sagittarius 25 |
Venus | 8 Libra 27 | 20 Cancer 31 | 0 Sagittarius 58 |
Mars | 23 Gemini 7 | 6 Libra 45 | 12 Leo 21 |
Jupiter | 11 Cancer 4 | 15 Cancer 10 | 20 Cancer 4 |
Saturn | 6 Capricorn 0 | 0 Aries 47 | 9 Capricorn 24 |
Uranus | 15 Aries 4 | 1 Gemini 19 | 11 Aries 48 |
Neptune | 2 Virgo 58 | 1 Aries 40 | 5 Virgo 42 |
Pluto | 20 Cancer 5 | 2 Aquarius 2 | 20 Cancer 43 |
Rahu | 26 Aries 49 | 19 Pisces 23 | 21 Aries 47 |
Ketu | 26 Libra 49 | 19 Virgo 23 | 21 Libra 47 |
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.James B. Ranck, Jr.'s 2025 Transits to Natal Planets
- Mars square Ketu
Exact: 11 January, 2025 - Saturn opposition Mercury
Exact: 02 March, 2025 - Mars square Ketu
Exact: 11 April, 2025 - Saturn sextile Moon
Exact: 01 May, 2025 - Jupiter conjunction Mars
Exact: 11 May, 2025 - Jupiter trine Ketu
Exact: 31 May, 2025 - Jupiter opposition Saturn
Exact: 10 July, 2025 - Ketu conjunction Mercury
Exact: 20 July, 2025 - Jupiter conjunction Jupiter
Exact: 30 July, 2025 - Mars conjunction Venus
Exact: 19 August, 2025 - Mars conjunction Ketu
Exact: 18 September, 2025 - Mars opposition Rahu
Exact: 18 September, 2025 - Mars aspects Moon
Exact: 18 September, 2025 - Saturn sextile Moon
Exact: 28 September, 2025 - Mars opposition Mars
Exact: 07 December, 2025