Jaroslav Králíček is a Czech professor of chemistry at VŠCHT, known for his research in macromolecular chemistry. He graduated from VŠCHT in 1951 and completed his doctoral studies under Otto Wichterle until 1959. He collaborated with Jan Šebenda and O. Wichterle on several scientific papers regarding activated anionic polymerization of caprolactam. In 1969, he became an associate professor, and in 1978, he was appointed a professor. He co-authored two monographs focusing on polymers for lithographic technology.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 301 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 - Jaroslav
glorious, bright glory
Read Full Jaroslav Name AnalysisMay 17, 1925 Facts
Generation Group
Jaroslav Králíček belongs to the GI Generation group.
Place of Birth: Prague
Educated At: University of Chemistry and Technology
Occupation: Professor of Chemistry
Employers: VŠCHT
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 May 17, 1925
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 17, 2025 | Secondary Progressions for May 17, 2025 |
---|---|---|---|
Sun | 26 Taurus 1 | 26 Taurus 48 | 1 Virgo 42 |
Moon | 24 Pisces 5 | 20 Capricorn 11 | 9 Scorpio 56 |
Mercury | 0 Taurus 24 | 12 Taurus 29 | 1 Virgo 35 |
Venus | 2 Gemini 13 | 11 Aries 50 | 4 Libra 9 |
Mars | 4 Cancer 46 | 13 Leo 31 | 8 Virgo 0 |
Jupiter | 22 Capricorn 16 | 24 Gemini 48 | 12 Capricorn 51 |
Saturn | 10 Scorpio 27 | 29 Pisces 17 | 9 Scorpio 43 |
Uranus | 24 Pisces 42 | 27 Taurus 17 | 24 Pisces 21 |
Neptune | 19 Leo 51 | 1 Aries 33 | 22 Leo 40 |
Pluto | 11 Cancer 56 | 3 Aquarius 46 | 14 Cancer 15 |
Rahu | 8 Leo 24 | 24 Pisces 16 | 3 Leo 6 |
Ketu | 8 Aquarius 24 | 24 Virgo 16 | 3 Aquarius 6 |
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.Jaroslav Králíček's 2025 Transits to Natal Planets
- Mars opposition Jupiter
Exact: 21 January, 2025 - Mars opposition Jupiter
Exact: 01 April, 2025 - Saturn conjunction Moon
Exact: 01 April, 2025 - Saturn sextile Sun
Exact: 21 April, 2025 - Rahu conjunction Moon
Exact: 01 May, 2025 - Mars square Saturn
Exact: 11 May, 2025 - Jupiter conjunction Mars
Exact: 30 June, 2025 - Mars opposition Moon
Exact: 30 July, 2025 - Jupiter trine Saturn
Exact: 30 July, 2025 - Mars aspects Mercury
Exact: 09 August, 2025 - Mars aspects Sun
Exact: 18 September, 2025 - Mars conjunction Saturn
Exact: 08 October, 2025 - Jupiter opposition Jupiter
Exact: 08 October, 2025 - Saturn sextile Sun
Exact: 08 October, 2025 - Jupiter trine Moon
Exact: 28 October, 2025 - Mars opposition Venus
Exact: 07 November, 2025 - Mars square Moon
Exact: 07 December, 2025 - Jupiter opposition Jupiter
Exact: 17 December, 2025