Ondřej Slabý is a Czech molecular biologist and geneticist born on June 15, 1981. He is a professor and the head of the Biological Institute at the Faculty of Medicine at Masaryk University in Brno. Additionally, he leads a research group at the Central European Institute of Technology (CEITEC) and manages the Center for Precision Medicine and the Diagnostic Laboratory of Molecular Pathology at the Department of Pathology in Brno University Hospital. He also serves as the scientific secretary of the Masaryk Oncology Institute and has interests in poetry and visual photography.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 331 days away.
Place of Birth
Time Zone - Europe/Prague (2:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Ondrej
man of honor, brave warrior
Read Full Ondrej Name AnalysisJune 15, 1981 Facts
Generation Group
Ondrej Slaby belongs to the Millennials group.
Place of Birth: Brno
Educated At: Masaryk University Faculty of Medicine | Masaryk University Faculty of Science | Masaryk University
Occupation: molecular biologist | geneticist | poet | photographer
Employers: Masaryk Memorial Cancer Institute | Masaryk University
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 June 15, 1981
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on June 15, 2025 | Secondary Progressions for June 15, 2025 |
---|---|---|---|
Sun | 24 Gemini 13 | 24 Gemini 34 | 6 Leo 12 |
Moon | 29 Scorpio 45 | 12 Aquarius 24 | 13 Cancer 12 |
Mercury | 3 Cancer 58 | 12 Cancer 21 | 23 Cancer 21 |
Venus | 12 Cancer 25 | 9 Taurus 22 | 5 Virgo 50 |
Mars | 7 Gemini 14 | 28 Leo 55 | 7 Cancer 25 |
Jupiter | 0 Libra 49 | 1 Cancer 16 | 5 Libra 35 |
Saturn | 3 Libra 29 | 1 Aries 11 | 5 Libra 43 |
Uranus | 27 Scorpio 5 | 28 Taurus 56 | 26 Scorpio 7 |
Neptune | 23 Sagittarius 28 | 2 Aries 4 | 22 Sagittarius 25 |
Pluto | 21 Libra 36 | 3 Aquarius 25 | 21 Libra 45 |
Rahu | 3 Leo 45 | 22 Pisces 44 | 1 Leo 25 |
Ketu | 3 Aquarius 45 | 22 Virgo 44 | 1 Aquarius 25 |
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.Ondrej Slaby's 2025 Transits to Natal Planets
- Ketu conjunction Jupiter
Exact: 01 January, 2025 - Jupiter conjunction Sun
Exact: 11 May, 2025 - Jupiter conjunction Mercury
Exact: 30 June, 2025 - Mars conjunction Jupiter
Exact: 09 August, 2025 - Jupiter conjunction Venus
Exact: 09 August, 2025 - Saturn opposition Jupiter
Exact: 09 August, 2025 - Mars square Ketu
Exact: 28 September, 2025 - Mars aspects Sun
Exact: 28 October, 2025 - Mars opposition Sun
Exact: 07 December, 2025