Arnold J. Sameroff is an American developmental psychologist known for his research on developmental theory, mental health, and psychopathology, specifically focusing on risk and resilience. Along with Michael Chandler, he developed the transactional model of development. Sameroff is recognized as one of the founders of the field of developmental psychopathology, contributing significantly to understanding the factors influencing mental health and developmental outcomes.
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Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 274 days away.
Place of Birth
Time Zone -
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Meaning of the name - Arnold
eagle power, rule of the eagle
Read Full Arnold Name AnalysisApril 20, 1937 Facts
Generation Group
Arnold J. Sameroff belongs to the Silent Generation group.
Educated At: University of Michigan College of Literature, Science, and the Arts | Yale University
Occupation: developmental psychologist
Employers: University of Michigan
Awards Received: Award for Distinguished Contributions to Developmental Psychology
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 20, 1937
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on April 20, 2025 | Secondary Progressions for April 20, 2025 |
---|---|---|---|
Sun | 0 Taurus 11 | 0 Taurus 52 | 24 Cancer 40 |
Moon | 4 Virgo 37 | 26 Capricorn 25 | 20 Scorpio 6 |
Mercury | 20 Taurus 1 | 3 Aries 36 | 5 Leo 4 |
Venus | 25 Aries 55 | 25 Pisces 45 | 10 Gemini 13 |
Mars | 5 Sagittarius 16 | 1 Leo 3 | 22 Scorpio 9 |
Jupiter | 26 Capricorn 14 | 19 Gemini 22 | 21 Capricorn 57 |
Saturn | 29 Pisces 36 | 26 Pisces 40 | 5 Aries 14 |
Uranus | 9 Taurus 2 | 25 Taurus 46 | 13 Taurus 16 |
Neptune | 16 Virgo 31 | 0 Aries 45 | 16 Virgo 50 |
Pluto | 26 Cancer 31 | 3 Aquarius 46 | 28 Cancer 12 |
Rahu | 17 Sagittarius 43 | 25 Pisces 41 | 13 Sagittarius 4 |
Ketu | 17 Gemini 43 | 25 Virgo 41 | 13 Gemini 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.Arnold J. Sameroff's 2025 Transits to Natal Planets
- Mars opposition Jupiter
Exact: 11 January, 2025 - Rahu conjunction Saturn
Exact: 21 January, 2025 - Saturn square Rahu
Exact: 10 February, 2025 - Saturn sextile Mercury
Exact: 02 March, 2025 - Mars opposition Jupiter
Exact: 11 April, 2025 - Jupiter conjunction Ketu
Exact: 11 April, 2025 - Jupiter opposition Rahu
Exact: 11 April, 2025 - Saturn conjunction Saturn
Exact: 31 May, 2025 - Mars aspects Venus
Exact: 30 July, 2025 - Saturn conjunction Saturn
Exact: 19 August, 2025 - Mars aspects Mercury
Exact: 08 September, 2025 - Mars square Jupiter
Exact: 18 September, 2025 - Mars aspects Ketu
Exact: 18 October, 2025