Jan Šebestík is a Czechoslovak philosopher of science, born on January 9, 1931, in Uherské Hradiště. He studied philosophy and literary science at Comenius University and worked at the Slovak Academy of Sciences before emigrating to Germany in 1956. He has lived in France since 1957, where he studied further at the Sorbonne and became a researcher at C.N.R.S. His work focuses on the history of logic and mathematics, particularly on Bernard Bolzano, and he has received multiple awards for his contributions to the field.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 198 days away.
Place of Birth
Time Zone - Europe/Prague (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 9, 1931 Facts
Generation Group
Jan Sebestik belongs to the Silent Generation group.
Place of Birth: Uherské Hradiště
Educated At: Comenius University in Bratislava | Sorbonne in Paris
Occupation: literary scholar | philosopher | university teacher | historian
Employers: Slovak Academy of Sciences | National Centre for Scientific Research (C.N.R.S)
Awards Received: Sarton Medal (1990) | Jean Cavaillès Prize (1995) | Gold Medal of the Slovak Academy of Sciences (2018)
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 9, 1931
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on January 9, 2025 | Secondary Progressions for January 9, 2025 |
---|---|---|---|
Sun | 18 Capricorn 14 | 19 Capricorn 26 | 22 Aries 33 |
Moon | 25 Virgo 8 | 21 Taurus 48 | 2 Pisces 29 |
Mercury | 10 Capricorn 34 | 1 Capricorn 28 | 11 Taurus 19 |
Venus | 4 Sagittarius 1 | 6 Pisces 35 | 14 Pisces 58 |
Mars | 13 Leo 35 | 28 Cancer 51 | 3 Leo 58 |
Jupiter | 14 Cancer 53 | 12 Gemini 23 | 12 Cancer 25 |
Saturn | 14 Capricorn 57 | 15 Pisces 9 | 23 Capricorn 11 |
Uranus | 11 Aries 35 | 23 Taurus 28 | 15 Aries 44 |
Neptune | 5 Virgo 31 | 27 Pisces 25 | 3 Virgo 15 |
Pluto | 19 Cancer 50 | 1 Aquarius 19 | 18 Cancer 43 |
Rahu | 19 Aries 9 | 1 Aries 2 | 14 Aries 11 |
Ketu | 19 Libra 9 | 1 Libra 2 | 14 Libra 11 |
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 Sebestik's 2025 Transits to Natal Planets
- Mars square Ketu
Exact: 31 January, 2025 - Mars opposition Sun
Exact: 10 February, 2025 - Mars opposition Sun
Exact: 12 March, 2025 - Mars square Ketu
Exact: 22 March, 2025 - Saturn opposition Moon
Exact: 11 April, 2025 - Ketu conjunction Moon
Exact: 11 April, 2025 - Jupiter trine Ketu
Exact: 21 April, 2025 - Mars aspects Rahu
Exact: 20 July, 2025 - Mars conjunction Moon
Exact: 30 July, 2025 - Jupiter opposition Mercury
Exact: 30 July, 2025 - Jupiter conjunction Jupiter
Exact: 19 August, 2025 - Jupiter opposition Saturn
Exact: 19 August, 2025 - Jupiter opposition Sun
Exact: 08 September, 2025