Thomas Hoffmann-Ostenhof is an Austrian theoretical chemist and mathematician, currently a professor at the Institute of Theoretical Chemistry at the University of Vienna. After studying chemistry at ETH Zurich, he earned his doctorate in 1974 and later became a habilitated doctor in 1980. He focuses on quantum mechanical theories of atoms and molecules, particularly the Schrödinger equation. Together with his wife Maria, he has made significant contributions to the understanding of atomic wave functions. He is also involved with the Erwin Schrödinger Institute for Mathematical Physics.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 283 days away.
Place of Birth
Time Zone - Europe/Vienna (2:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Thomas
Twin
Read Full Thomas Name AnalysisApril 4, 1945 Facts
Generation Group
Thomas Hoffmann-Ostenhof belongs to the Silent Generation group.
Place of Birth: Vienna
Educated At: University of Vienna
Occupation: university teacher | chemist
Spouses: Maria Hoffmann-Ostenhof
Employers: University of Vienna
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 4, 1945
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on April 4, 2025 | Secondary Progressions for April 4, 2025 |
---|---|---|---|
Sun | 14 Aries 16 | 14 Aries 53 | 1 Cancer 34 |
Moon | 27 Sagittarius 52 | 6 Cancer 28 | 5 Sagittarius 57 |
Mercury | 27 Aries 53 | 27 Pisces 15 | 10 Cancer 28 |
Venus | 1 Taurus 34 | 26 Pisces 8 | 15 Taurus 53 |
Mars | 8 Pisces 0 | 24 Cancer 45 | 8 Taurus 46 |
Jupiter | 19 Virgo 40 | 16 Gemini 31 | 19 Virgo 37 |
Saturn | 5 Cancer 0 | 24 Pisces 49 | 12 Cancer 59 |
Uranus | 10 Gemini 4 | 24 Taurus 56 | 14 Gemini 21 |
Neptune | 4 Libra 49 | 0 Aries 11 | 3 Libra 41 |
Pluto | 7 Leo 57 | 3 Aquarius 36 | 8 Leo 45 |
Rahu | 13 Cancer 51 | 26 Pisces 32 | 9 Cancer 37 |
Ketu | 13 Capricorn 51 | 26 Virgo 32 | 9 Capricorn 37 |
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.Thomas Hoffmann-Ostenhof's 2025 Transits to Natal Planets
- Saturn opposition Jupiter
Exact: 02 March, 2025 - Saturn square Moon
Exact: 11 May, 2025 - Jupiter opposition Moon
Exact: 31 May, 2025 - Mars opposition Mars
Exact: 30 June, 2025 - Jupiter conjunction Saturn
Exact: 30 June, 2025 - Mars conjunction Jupiter
Exact: 20 July, 2025 - Jupiter trine Mars
Exact: 20 July, 2025 - Ketu conjunction Jupiter
Exact: 30 July, 2025 - Mars aspects Venus
Exact: 09 August, 2025 - Jupiter conjunction Rahu
Exact: 09 August, 2025 - Jupiter opposition Ketu
Exact: 09 August, 2025 - Mars opposition Sun
Exact: 29 August, 2025 - Mars square Ketu
Exact: 29 August, 2025 - Mars opposition Mercury
Exact: 18 September, 2025 - Saturn square Moon
Exact: 18 September, 2025 - Mars square Mars
Exact: 17 November, 2025