Rienk van Grondelle is a professor of biophysics at Vrije Universiteit Amsterdam, focusing on spectroscopic research related to photosynthesis. He co-authored a textbook titled 'Environmental Physics' with Egbert Boeker, with the third edition released in 2011. In 2009, he was appointed Akademiehoogleraar by the Royal Netherlands Academy of Arts and Sciences (KNAW). His work contributes significantly to the field of environmental physics and biophysics.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 31 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
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Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Rienk
The meaning of Rienk is uncertain, but it is believed to be derived from a Dutch word meaning 'ruler' or 'powerful.'
Read Full Rienk Name AnalysisDecember 6, 1949 Facts
Generation Group
Rienk van Grondelle belongs to the Baby Boomers group.
Place of Birth: Amsterdam
Occupation: biophysicist | university teacher
Employers: Free University of Amsterdam
Awards Received: Akademiehoogleraren 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 December 6, 1949
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 6, 2024 | Secondary Progressions for December 6, 2024 |
|---|---|---|---|
| Sun | 14 Sagittarius 16 | 15 Sagittarius 4 | 0 Pisces 29 |
| Moon | 26 Gemini 37 | 20 Aquarius 27 | 1 Aries 56 |
| Mercury | 22 Sagittarius 26 | 13 Sagittarius 36 | 6 Aquarius 6 |
| Venus | 0 Aquarius 24 | 29 Capricorn 22 | 3 Aquarius 7 |
| Mars | 21 Virgo 26 | 6 Leo 10 | 10 Libra 40 |
| Jupiter | 1 Aquarius 3 | 16 Gemini 24 | 18 Aquarius 7 |
| Saturn | 19 Virgo 26 | 13 Pisces 1 | 17 Virgo 49 |
| Uranus | 3 Cancer 47 | 24 Taurus 27 | 1 Cancer 7 |
| Neptune | 16 Libra 50 | 27 Pisces 7 | 17 Libra 4 |
| Pluto | 18 Leo 7 | 0 Aquarius 21 | 16 Leo 40 |
| Rahu | 13 Aries 27 | 2 Aries 50 | 9 Aries 28 |
| Ketu | 13 Libra 27 | 2 Libra 50 | 9 Libra 28 |
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.Rienk van Grondelle's 2025 Transits to Natal Planets
- Mars opposition Venus
Exact: 01 January, 2025 - Mars opposition Jupiter
Exact: 01 January, 2025 - Saturn square Sun
Exact: 01 January, 2025 - Saturn opposition Saturn
Exact: 20 February, 2025 - Saturn opposition Mars
Exact: 12 March, 2025 - Saturn square Mercury
Exact: 22 March, 2025 - Jupiter opposition Sun
Exact: 22 March, 2025 - Jupiter trine Ketu
Exact: 22 March, 2025 - Mars opposition Venus
Exact: 21 April, 2025 - Mars opposition Jupiter
Exact: 21 April, 2025 - Jupiter opposition Mercury
Exact: 11 May, 2025 - Jupiter conjunction Moon
Exact: 31 May, 2025 - Ketu conjunction Mars
Exact: 30 June, 2025 - Mars aspects Rahu
Exact: 10 July, 2025 - Mars conjunction Saturn
Exact: 20 July, 2025 - Ketu conjunction Saturn
Exact: 30 July, 2025 - Mars conjunction Ketu
Exact: 29 August, 2025 - Mars opposition Rahu
Exact: 29 August, 2025
