Sierd Cloetingh is a geologist and geophysicist who serves as a university professor in the Netherlands. His expertise lies in the study of the Earth's physical properties and processes, contributing significantly to the fields of geology and earth sciences.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 363 days away.
Place of Birth
Time Zone - Europe/Amsterdam (1:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Sierd
The meaning of Sierd is uncertain. Some sources suggest it may be related to the Dutch word 'sier', meaning 'ornament' or 'decoration', while others speculate it could be a variation of a different name entirely.
Read Full Sierd Name AnalysisAugust 20, 1950 Facts
Generation Group
Sierd Cloetingh belongs to the Baby Boomers group.
Place of Birth: Groningen
Occupation: geophysicist | university teacher | geologist
Employers: Free University of Amsterdam | Royal Netherlands Academy of Arts and Sciences | Utrecht University
Awards Received: honorary doctor of the Eötvös Loránd University | honorary doctorate of Salzburg University | Van Waterschoot Van Der Gracht Medal | Arthur Holmes Medal | Akademiehoogleraren Prize | Leopold-von-Buch-Plaque | Knight of the Order of the Netherlands Lion | Emil Wiechert Medal | Stephan Mueller Medal
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 August 20, 1950
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on August 20, 2025 | Secondary Progressions for August 20, 2025 |
---|---|---|---|
Sun | 26 Leo 51 | 27 Leo 41 | 10 Scorpio 27 |
Moon | 24 Scorpio 17 | 22 Cancer 52 | 15 Leo 14 |
Mercury | 24 Virgo 10 | 9 Leo 10 | 11 Scorpio 33 |
Venus | 4 Leo 42 | 23 Cancer 47 | 7 Scorpio 49 |
Mars | 5 Scorpio 58 | 8 Libra 30 | 27 Sagittarius 54 |
Jupiter | 3 Pisces 6 | 15 Cancer 43 | 27 Aquarius 38 |
Saturn | 19 Virgo 53 | 0 Aries 38 | 28 Virgo 51 |
Uranus | 8 Cancer 11 | 1 Gemini 22 | 9 Cancer 22 |
Neptune | 15 Libra 21 | 1 Aries 37 | 17 Libra 57 |
Pluto | 18 Leo 7 | 1 Aquarius 59 | 19 Leo 47 |
Rahu | 29 Pisces 51 | 19 Pisces 14 | 25 Pisces 53 |
Ketu | 29 Virgo 51 | 19 Virgo 14 | 25 Virgo 53 |
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.Sierd Cloetingh's 2025 Transits to Natal Planets
- Rahu conjunction Rahu
Exact: 21 January, 2025 - Ketu conjunction Ketu
Exact: 21 January, 2025 - Saturn opposition Saturn
Exact: 02 March, 2025 - Saturn opposition Mercury
Exact: 01 April, 2025 - Mars conjunction Venus
Exact: 01 May, 2025 - Mars square Mars
Exact: 01 May, 2025 - Ketu conjunction Mercury
Exact: 11 May, 2025 - Saturn conjunction Rahu
Exact: 31 May, 2025 - Saturn opposition Ketu
Exact: 31 May, 2025 - Jupiter trine Mars
Exact: 10 July, 2025 - Mars conjunction Saturn
Exact: 20 July, 2025 - Mars conjunction Mercury
Exact: 30 July, 2025 - Ketu conjunction Saturn
Exact: 30 July, 2025 - Saturn conjunction Rahu
Exact: 19 August, 2025 - Saturn opposition Ketu
Exact: 19 August, 2025 - Mars conjunction Moon
Exact: 28 October, 2025 - Jupiter trine Moon
Exact: 28 October, 2025 - Saturn opposition Mercury
Exact: 27 November, 2025