Jan Igor Rybak was a Polish hydrobiologist, specifically a limnologist, born on October 17, 1934, in Piastów, Poland. He contributed to the field of hydrobiology with his research and knowledge about freshwater ecosystems. Rybak passed away on March 18, 2014, in Warsaw, leaving a legacy in his area of expertise.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 358 days away.
Death Anniversary
Next death anniversary is 219 days away.
Death Date
Place of Birth
Time Zone - Europe/Warsaw (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 AnalysisOctober 17, 1931 Facts
Generation Group
Jan Rybak belongs to the Silent Generation group.
Place of Birth: Piastów
Place of Death: Warsaw
Educated At: University of Warsaw
Occupation: scientist
Employers: University of Warsaw
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 October 17, 1931
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on October 17, 2025 | Secondary Progressions for October 17, 2025 |
|---|---|---|---|
| Sun | 23 Libra 6 | 24 Libra 20 | 28 Capricorn 10 |
| Moon | 12 Capricorn 9 | 8 Virgo 46 | 7 Gemini 48 |
| Mercury | 22 Libra 15 | 15 Scorpio 26 | 6 Capricorn 4 |
| Venus | 3 Scorpio 30 | 4 Libra 26 | 0 Pisces 28 |
| Mars | 20 Scorpio 42 | 17 Scorpio 13 | 1 Aquarius 7 |
| Jupiter | 18 Leo 14 | 24 Cancer 8 | 19 Leo 48 |
| Saturn | 17 Capricorn 27 | 26 Pisces 29 | 26 Capricorn 9 |
| Uranus | 17 Aries 7 | 0 Gemini 48 | 15 Aries 41 |
| Neptune | 7 Virgo 11 | 0 Aries 6 | 7 Virgo 34 |
| Pluto | 22 Cancer 9 | 1 Aquarius 21 | 20 Cancer 55 |
| Rahu | 4 Aries 17 | 16 Pisces 10 | 29 Pisces 18 |
| Ketu | 4 Libra 17 | 16 Virgo 10 | 29 Virgo 18 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
