Jiří Mrázek was a Czech geophysicist born on April 17, 1923, in Prague, and passed away on November 14, 1978, in the same city. He was known for his contributions to the popularization of natural sciences and astronautics. In addition to his scientific work, he was an avid chess player, an amateur radio operator, and a religious writer, engaging in multiple disciplines throughout his life.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 313 days away.
Death Anniversary
Next death anniversary is 159 days away.
Death Date
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 - Jiri
George, farmer
Read Full Jiri Name AnalysisApril 17, 1923 Facts
Generation Group
Jiří Mrázek belongs to the GI Generation group.
Place of Birth: Prague
Place of Death: Prague
Occupation: science communicator | geophysicist | writer
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 April 17, 1923
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 17, 2026 | Secondary Progressions for April 17, 2026 |
|---|---|---|---|
| Sun | 26 Aries 25 | 27 Aries 27 | 5 Leo 17 |
| Moon | 9 Taurus 18 | 26 Aries 57 | 23 Aquarius 48 |
| Mercury | 6 Taurus 4 | 3 Aries 21 | 13 Leo 5 |
| Venus | 19 Pisces 10 | 21 Taurus 50 | 23 Cancer 34 |
| Mars | 0 Gemini 55 | 5 Aries 56 | 8 Leo 35 |
| Jupiter | 15 Scorpio 59 | 17 Cancer 14 | 9 Scorpio 31 |
| Saturn | 16 Libra 44 | 7 Aries 28 | 15 Libra 26 |
| Uranus | 15 Pisces 52 | 29 Taurus 33 | 17 Pisces 2 |
| Neptune | 15 Leo 23 | 2 Aries 48 | 17 Leo 25 |
| Pluto | 9 Cancer 11 | 5 Aquarius 25 | 11 Cancer 21 |
| Rahu | 18 Virgo 42 | 6 Pisces 31 | 13 Virgo 15 |
| Ketu | 18 Pisces 42 | 6 Virgo 31 | 13 Pisces 15 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
