Jan Christoph Plefka is a German theoretical physicist born on January 31, 1968, in Hanau. He specializes in quantum field theory, gravitational physics, and string theory, contributing to the understanding of fundamental concepts in these advanced areas of physics.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 178 days away.
Place of Birth
Time Zone - Europe/Berlin (1:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Jan
Read Full Jan Name AnalysisJanuary 31, 1968 Facts
Generation Group
Jan Christoph Plefka belongs to the Generation X group.
Place of Birth: Hanau
Educated At: Texas A&M University
Occupation: theoretical physicist | university teacher
Employers: Humboldt University of Berlin
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 January 31, 1968
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on January 31, 2025 | Secondary Progressions for January 31, 2025 |
---|---|---|---|
Sun | 10 Aquarius 38 | 11 Aquarius 49 | 7 Aries 50 |
Moon | 2 Pisces 33 | 7 Pisces 6 | 2 Aries 7 |
Mercury | 29 Aquarius 0 | 5 Aquarius 29 | 14 Pisces 35 |
Venus | 5 Capricorn 47 | 27 Pisces 1 | 15 Pisces 54 |
Mars | 17 Pisces 8 | 20 Cancer 38 | 0 Taurus 20 |
Jupiter | 3 Virgo 15 | 11 Gemini 18 | 26 Leo 37 |
Saturn | 8 Aries 15 | 17 Pisces 18 | 14 Aries 35 |
Uranus | 28 Virgo 56 | 23 Taurus 16 | 26 Virgo 46 |
Neptune | 26 Scorpio 20 | 27 Pisces 57 | 26 Scorpio 17 |
Pluto | 22 Virgo 31 | 2 Aquarius 2 | 21 Virgo 6 |
Rahu | 22 Aries 22 | 29 Pisces 52 | 19 Aries 21 |
Ketu | 22 Libra 22 | 29 Virgo 52 | 19 Libra 21 |
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.Jan Christoph Plefka's 2025 Transits to Natal Planets
- Saturn conjunction Mars
Exact: 31 January, 2025 - Jupiter trine Sun
Exact: 31 January, 2025 - Mars opposition Sun
Exact: 11 May, 2025 - Jupiter trine Ketu
Exact: 11 May, 2025 - Jupiter trine Mercury
Exact: 10 June, 2025 - Jupiter trine Moon
Exact: 20 June, 2025 - Mars aspects Saturn
Exact: 30 June, 2025 - Jupiter opposition Venus
Exact: 10 July, 2025 - Mars opposition Saturn
Exact: 19 August, 2025 - Jupiter trine Mars
Exact: 29 August, 2025 - Rahu conjunction Mars
Exact: 18 September, 2025 - Mars square Sun
Exact: 08 October, 2025 - Mars square Moon
Exact: 07 November, 2025 - Mars square Mars
Exact: 27 November, 2025