Joost Jacques Kalker was a notable Dutch professor at Delft University of Technology, renowned for his significant contributions to contact mechanics, especially in railway systems. His research addresses wheel-rail contact problems and railway dynamics. The Kalker Coefficients, defined in his work, are particularly recognized for their application in linear elasticity within the scope of railway engineering. Born on 25 July 1933 and passing on 24 April 2006, Kalker left a lasting impact on the field.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 332 days away.
Death Anniversary
Next death anniversary is 124 days away.
Death Date
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Joost
God is gracious
Read Full Joost Name AnalysisJuly 25, 1933 Facts
Generation Group
Joost Jacques Kalker belongs to the Silent Generation group.
Place of Birth: The Hague
Place of Death: The Hague
Educated At: Delft University of Technology
Occupation: university teacher | engineer
Employers: Delft University of Technology
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 July 25, 1933
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on July 25, 2025 | Secondary Progressions for July 25, 2025 |
---|---|---|---|
Sun | 2 Leo 16 | 3 Leo 0 | 1 Scorpio 50 |
Moon | 7 Virgo 10 | 14 Leo 26 | 28 Capricorn 50 |
Mercury | 10 Leo 12 | 13 Leo 20 | 25 Scorpio 27 |
Venus | 27 Leo 35 | 23 Gemini 43 | 16 Sagittarius 38 |
Mars | 10 Libra 34 | 22 Virgo 27 | 11 Sagittarius 42 |
Jupiter | 20 Virgo 35 | 10 Cancer 22 | 9 Libra 32 |
Saturn | 14 Aquarius 3 | 1 Aries 41 | 10 Aquarius 1 |
Uranus | 27 Aries 23 | 0 Gemini 44 | 25 Aries 8 |
Neptune | 8 Virgo 33 | 2 Aries 3 | 11 Virgo 41 |
Pluto | 23 Cancer 15 | 2 Aquarius 34 | 24 Cancer 45 |
Rahu | 0 Pisces 0 | 20 Pisces 36 | 25 Aquarius 8 |
Ketu | 0 Virgo 0 | 20 Virgo 36 | 25 Leo 8 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
