Ortwin Renn is a German sociologist, economist, and sustainability scientist born on December 26, 1951, in Schmidtheim, Eifel. He is an internationally recognized risk researcher and held the chair in Technology and Environmental Sociology at the University of Stuttgart from 1994 to 2016. From February 1, 2016, to December 31, 2022, he served as the scientific director of the Potsdam Institute for Sustainability Research (RIFS), formerly known as the Institute for Advanced Sustainability Studies (IASS).
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 306 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 - Ortwin
brave warrior, famous warrior
Read Full Ortwin Name AnalysisDecember 26, 1951 Facts
Generation Group
Ortwin Renn belongs to the Baby Boomers group.
Place of Birth: Schmidtheim
Educated At: University of Cologne
Occupation: sociologist | university teacher | economist
Employers: Research Institute for Sustainability | University of Stuttgart
Awards Received: honorary doctor of ETH Zürich | Order of Merit of Baden-Württemberg | Officer's Cross of the Order of Merit of the Federal Republic of Germany
Astrology Analysis


Ephemeris for December 26, 1951
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on December 26, 2024 | Secondary Progressions for December 26, 2024 |
---|---|---|---|
Sun | 4 Capricorn 7 | 5 Capricorn 25 | 18 Pisces 4 |
Moon | 8 Sagittarius 58 | 16 Scorpio 19 | 14 Leo 3 |
Mercury | 16 Sagittarius 2 | 13 Sagittarius 31 | 1 Aries 48 |
Venus | 21 Scorpio 37 | 21 Aquarius 58 | 20 Aquarius 18 |
Mars | 17 Libra 54 | 3 Leo 30 | 16 Scorpio 51 |
Jupiter | 5 Aries 17 | 13 Gemini 48 | 17 Aries 44 |
Saturn | 14 Libra 44 | 14 Pisces 5 | 13 Libra 57 |
Uranus | 12 Cancer 19 | 23 Taurus 47 | 9 Cancer 58 |
Neptune | 21 Libra 29 | 27 Pisces 13 | 21 Libra 10 |
Pluto | 21 Leo 17 | 0 Aquarius 54 | 19 Leo 41 |
Rahu | 3 Pisces 44 | 1 Aries 46 | 29 Aquarius 52 |
Ketu | 3 Virgo 44 | 1 Libra 46 | 29 Leo 52 |
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.Ortwin Renn's 2025 Transits to Natal Planets
- Saturn square Mercury
Exact: 21 January, 2025 - Mars square Mars
Exact: 10 February, 2025 - Mars square Mars
Exact: 12 March, 2025 - Jupiter trine Saturn
Exact: 22 March, 2025 - Jupiter opposition Mercury
Exact: 01 April, 2025 - Jupiter trine Mars
Exact: 11 April, 2025 - Jupiter opposition Sun
Exact: 30 June, 2025 - Jupiter trine Rahu
Exact: 30 June, 2025 - Mars conjunction Saturn
Exact: 29 August, 2025 - Jupiter trine Venus
Exact: 28 September, 2025 - Mars conjunction Moon
Exact: 17 November, 2025 - Mars conjunction Mercury
Exact: 27 November, 2025