Jan Vondrák is a Czech astronomer and popularizer of astronomy, born on September 12, 1940, in Písek. He served as the chairman of the Czech Astronomical Society from 2010 to 2017, playing a significant role in promoting astronomical knowledge and outreach during his tenure.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 307 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 - Jan
Read Full Jan Name AnalysisSeptember 12, 1940 Facts
Generation Group
Jan Vondrák belongs to the Silent Generation group.
Place of Birth: Písek
Educated At: Czech Technical University in Prague
Occupation: astronomer
Employers: Astronomical Institute of Czech Academy of Sciences
Awards Received: Nušl Prize
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 September 12, 1940
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on September 12, 2025 | Secondary Progressions for September 12, 2025 |
|---|---|---|---|
| Sun | 19 Virgo 28 | 19 Virgo 54 | 14 Sagittarius 9 |
| Moon | 2 Aquarius 40 | 22 Taurus 49 | 11 Pisces 30 |
| Mercury | 26 Virgo 23 | 18 Virgo 58 | 25 Scorpio 38 |
| Venus | 3 Leo 42 | 21 Leo 20 | 12 Scorpio 10 |
| Mars | 15 Virgo 8 | 23 Libra 24 | 10 Scorpio 22 |
| Jupiter | 15 Taurus 28 | 19 Cancer 50 | 6 Taurus 36 |
| Saturn | 14 Taurus 44 | 29 Pisces 4 | 9 Taurus 7 |
| Uranus | 26 Taurus 6 | 1 Gemini 28 | 23 Taurus 20 |
| Neptune | 25 Virgo 2 | 1 Aries 3 | 27 Virgo 33 |
| Pluto | 3 Leo 45 | 1 Aquarius 35 | 4 Leo 7 |
| Rahu | 12 Libra 1 | 18 Pisces 1 | 7 Libra 31 |
| Ketu | 12 Aries 1 | 18 Virgo 1 | 7 Aries 31 |
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 Vondrák's 2025 Transits to Natal Planets
- Jupiter trine Rahu
Exact: 01 January, 2025 - Saturn sextile Saturn
Exact: 11 January, 2025 - Saturn opposition Mars
Exact: 21 January, 2025 - Saturn sextile Jupiter
Exact: 21 January, 2025 - Saturn opposition Sun
Exact: 20 February, 2025 - Jupiter trine Rahu
Exact: 02 March, 2025 - Ketu conjunction Mercury
Exact: 22 March, 2025 - Saturn opposition Mercury
Exact: 21 April, 2025 - Mars aspects Ketu
Exact: 10 July, 2025 - Mars conjunction Sun
Exact: 20 July, 2025 - Ketu conjunction Sun
Exact: 30 July, 2025 - Mars aspects Saturn
Exact: 29 August, 2025 - Saturn opposition Mercury
Exact: 08 October, 2025 - Ketu conjunction Mars
Exact: 18 October, 2025