David Wayne Greenfield is an American ichthyologist, marine biologist, ecologist, zoogeographer, and professor. Born on April 21, 1940, in Carmel, California, he has made significant contributions to the fields of ichthyology and marine biology. His work encompasses ecological studies and the distribution of aquatic life, contributing to a deeper understanding of marine ecosystems. Through his academic role, Greenfield has influenced the education of future generations in these fields.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 305 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - David
beloved, friend
Read Full David Name AnalysisApril 21, 1940 Facts
Generation Group
David W. Greenfield belongs to the Silent Generation group.
Place of Birth: Carmel, California
Occupation: ichthyologist
Spouses: Teresa A. Greenfield
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 21, 1940
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 21, 2025 | Secondary Progressions for April 21, 2025 |
|---|---|---|---|
| Sun | 1 Taurus 25 | 1 Taurus 50 | 23 Cancer 1 |
| Moon | 24 Libra 47 | 9 Aquarius 29 | 7 Sagittarius 18 |
| Mercury | 5 Aries 45 | 4 Aries 33 | 3 Leo 22 |
| Venus | 16 Gemini 58 | 26 Pisces 2 | 26 Gemini 56 |
| Mars | 13 Gemini 8 | 1 Leo 29 | 7 Leo 48 |
| Jupiter | 24 Aries 9 | 19 Gemini 34 | 11 Taurus 39 |
| Saturn | 4 Taurus 8 | 26 Pisces 47 | 13 Taurus 24 |
| Uranus | 20 Taurus 48 | 25 Taurus 49 | 25 Taurus 15 |
| Neptune | 23 Virgo 11 | 0 Aries 47 | 23 Virgo 12 |
| Pluto | 0 Leo 38 | 3 Aquarius 46 | 2 Leo 12 |
| Rahu | 19 Libra 38 | 25 Pisces 37 | 15 Libra 8 |
| Ketu | 19 Aries 38 | 25 Virgo 37 | 15 Aries 8 |
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.David W. Greenfield's 2025 Transits to Natal Planets
- Jupiter conjunction Mars
Exact: 01 January, 2025 - Mars square Rahu
Exact: 31 January, 2025 - Jupiter conjunction Mars
Exact: 12 March, 2025 - Mars square Rahu
Exact: 22 March, 2025 - Jupiter conjunction Venus
Exact: 11 April, 2025 - Jupiter trine Rahu
Exact: 21 April, 2025 - Jupiter trine Moon
Exact: 21 May, 2025 - Mars aspects Ketu
Exact: 20 July, 2025 - Mars aspects Jupiter
Exact: 30 July, 2025 - Mars aspects Sun
Exact: 09 August, 2025 - Mars conjunction Rahu
Exact: 08 September, 2025 - Mars opposition Ketu
Exact: 08 September, 2025 - Mars opposition Saturn
Exact: 28 September, 2025 - Mars aspects Venus
Exact: 18 October, 2025 - Mars opposition Venus
Exact: 27 November, 2025
