Sybren Ruurds de Groot, also known as S. R. de Groot, was a Dutch physicist born on April 8, 1916, in Amsterdam and passed away on May 9, 1994. He was a prominent figure in the field of statistical non-equilibrium physics and is recognized as one of its founders. His work contributed significantly to the understanding of physical systems that are not in equilibrium, establishing concepts and models that are essential in modern physics.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 303 days away.
Death Anniversary
Next death anniversary is 40 days away.
Death Date
Place of Birth
Time Zone - Europe/Amsterdam (0:19 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Sybren
bright, shining
Read Full Sybren Name AnalysisApril 18, 1916 Facts
Generation Group
Sybren Ruurds de Groot belongs to the GI Generation group.
Place of Birth: Amsterdam
Place of Death: Amsterdam
Educated At: University of Amsterdam
Occupation: university teacher | physicist
Employers: Utrecht University | University of Amsterdam | Leiden 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 April 18, 1916
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 18, 2025 | Secondary Progressions for April 18, 2025 |
|---|---|---|---|
| Sun | 28 Aries 6 | 28 Aries 41 | 12 Leo 41 |
| Moon | 1 Scorpio 42 | 28 Sagittarius 35 | 25 Libra 26 |
| Mercury | 2 Taurus 11 | 1 Aries 40 | 21 Leo 15 |
| Venus | 13 Gemini 32 | 25 Pisces 12 | 5 Cancer 22 |
| Mars | 14 Leo 27 | 0 Leo 8 | 8 Libra 2 |
| Jupiter | 15 Aries 22 | 18 Gemini 57 | 4 Taurus 30 |
| Saturn | 11 Cancer 33 | 26 Pisces 26 | 23 Cancer 48 |
| Uranus | 19 Aquarius 7 | 25 Taurus 39 | 17 Aquarius 52 |
| Neptune | 29 Cancer 53 | 0 Aries 41 | 2 Leo 48 |
| Pluto | 1 Cancer 27 | 3 Aquarius 45 | 3 Cancer 46 |
| Rahu | 4 Aquarius 0 | 25 Pisces 48 | 28 Capricorn 13 |
| Ketu | 4 Leo 0 | 25 Virgo 48 | 28 Cancer 13 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
