Cornelis Andreas (Kees) de Lange is a Dutch emeritus professor and politician born on June 20, 1943, in Zaandam. He studied mathematics, physics, and astronomy at the University of Amsterdam and obtained his PhD from the University of Bristol. De Lange has held research positions at Shell and served as a scientific staff member at the University of Amsterdam. He became a professor of molecular spectroscopy at Vrije Universiteit in 1984 and later of laser spectroscopy at the University of Amsterdam until 2008. He has been involved in politics as a co-founder of 50PLUS.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 359 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Kees
horn, horned
Read Full Kees Name AnalysisJune 20, 1943 Facts
Generation Group
Kees de Lange belongs to the Silent Generation group.
Place of Birth: Zaandam
Educated At: Zaanlands Lyceum | Universiteit van Amsterdam | Universiteit van Bristol
Occupation: university teacher | chemist | politician
Employers: Free University of Amsterdam | University of Amsterdam
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 June 20, 1943
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on June 20, 2025 | Secondary Progressions for June 20, 2025 |
---|---|---|---|
Sun | 28 Gemini 29 | 29 Gemini 37 | 17 Virgo 6 |
Moon | 3 Aquarius 16 | 24 Aries 37 | 29 Capricorn 14 |
Mercury | 5 Gemini 52 | 21 Cancer 13 | 9 Libra 26 |
Venus | 13 Leo 42 | 14 Taurus 55 | 9 Virgo 40 |
Mars | 17 Aries 47 | 1 Virgo 53 | 9 Gemini 14 |
Jupiter | 27 Cancer 42 | 2 Cancer 28 | 15 Leo 25 |
Saturn | 17 Gemini 58 | 1 Aries 24 | 26 Gemini 11 |
Uranus | 6 Gemini 6 | 29 Taurus 13 | 8 Gemini 51 |
Neptune | 29 Virgo 19 | 2 Aries 7 | 1 Libra 16 |
Pluto | 5 Leo 45 | 3 Aquarius 20 | 7 Leo 58 |
Rahu | 18 Leo 28 | 22 Pisces 27 | 14 Leo 8 |
Ketu | 18 Aquarius 28 | 22 Virgo 27 | 14 Aquarius 8 |
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.Kees de Lange's 2025 Transits to Natal Planets
- Mars conjunction Jupiter
Exact: 11 January, 2025 - Mars aspects Ketu
Exact: 12 March, 2025 - Mars conjunction Jupiter
Exact: 11 April, 2025 - Jupiter conjunction Saturn
Exact: 11 April, 2025 - Jupiter trine Ketu
Exact: 21 April, 2025 - Mars square Moon
Exact: 28 September, 2025 - Mars square Ketu
Exact: 18 October, 2025 - Mars aspects Saturn
Exact: 18 October, 2025