Douglas N. Arnold, born in 1954 in New York City, is an American mathematician and university professor. He is a member of the American Mathematical Society and has contributed to various fields within mathematics. As of the latest updates, his work continues to be influential in academic circles. He is known for his research, teaching, and involvement in the mathematics community, showcasing a strong commitment to advancing mathematical knowledge and education.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 310 days away.
Place of Birth
Time Zone - America/New_York (4:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Douglas
dark water, black stream
Read Full Douglas Name AnalysisApril 30, 1954 Facts
Generation Group
Douglas N. Arnold belongs to the Baby Boomers group.
Place of Birth: New York City
Educated At: University of Chicago
Occupation: university teacher | mathematician
Spouses: Maria-Carme Calderer
Employers: University of Maryland | University of Minnesota | University of Pennsylvania
Awards Received: Fellow of the Society for Industrial and Applied Mathematics | Fellow of the American Mathematical Society | Guggenheim Fellowship | 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 April 30, 1954
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on April 30, 2025 | Secondary Progressions for April 30, 2025 |
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Sun | 9 Taurus 46 | 10 Taurus 33 | 17 Cancer 50 |
Moon | 8 Aries 43 | 20 Gemini 45 | 16 Scorpio 21 |
Mercury | 0 Taurus 23 | 15 Aries 4 | 11 Cancer 2 |
Venus | 2 Gemini 8 | 29 Pisces 58 | 26 Leo 53 |
Mars | 5 Capricorn 34 | 5 Leo 27 | 27 Sagittarius 57 |
Jupiter | 25 Gemini 1 | 21 Gemini 18 | 10 Cancer 27 |
Saturn | 6 Scorpio 18 | 27 Pisces 43 | 3 Scorpio 11 |
Uranus | 19 Cancer 32 | 26 Taurus 19 | 23 Cancer 2 |
Neptune | 24 Libra 16 | 1 Aries 5 | 23 Libra 17 |
Pluto | 22 Leo 31 | 3 Aquarius 48 | 23 Leo 31 |
Rahu | 18 Capricorn 24 | 25 Pisces 9 | 14 Capricorn 39 |
Ketu | 18 Cancer 24 | 25 Virgo 9 | 14 Cancer 39 |
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.Douglas N. Arnold's 2025 Transits to Natal Planets
- Mars conjunction Ketu
Exact: 10 February, 2025 - Mars opposition Rahu
Exact: 10 February, 2025 - Mars conjunction Ketu
Exact: 12 March, 2025 - Mars opposition Rahu
Exact: 12 March, 2025 - Mars square Saturn
Exact: 01 May, 2025 - Jupiter conjunction Jupiter
Exact: 21 May, 2025 - Jupiter opposition Mars
Exact: 10 July, 2025 - Jupiter trine Saturn
Exact: 10 July, 2025 - Saturn sextile Venus
Exact: 10 July, 2025 - Jupiter conjunction Ketu
Exact: 08 September, 2025 - Jupiter opposition Rahu
Exact: 08 September, 2025 - Mars aspects Jupiter
Exact: 28 October, 2025 - Mars opposition Venus
Exact: 07 November, 2025 - Mars opposition Jupiter
Exact: 07 December, 2025