Dirk van Dalen is a Dutch historian of mathematics, university professor, historian, and mathematician from the Netherlands. He has contributed significantly to the field of mathematics and its historical context, focusing on the development and understanding of mathematical concepts over time. His work combines both teaching and research, making him a prominent figure in the academic community. Van Dalen's influence spans across various aspects of mathematics and education, marking his legacy in the discipline.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 361 days away.
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 - Dirk
people, ruler
Read Full Dirk Name AnalysisDecember 20, 1932 Facts
Generation Group
Dirk van Dalen belongs to the Silent Generation group.
Place of Birth: Amsterdam
Educated At: University of Amsterdam
Occupation: historian of mathematics | university teacher | historian | mathematician | scientist
Employers: Utrecht University | Massachusetts Institute of Technology
Awards Received: Akademiepenning
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 20, 1932
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 20, 2025 | Secondary Progressions for December 20, 2025 |
|---|---|---|---|
| Sun | 28 Sagittarius 24 | 28 Sagittarius 50 | 2 Aries 24 |
| Moon | 23 Virgo 52 | 3 Capricorn 29 | 0 Pisces 41 |
| Mercury | 6 Sagittarius 53 | 11 Sagittarius 33 | 2 Aries 7 |
| Venus | 28 Scorpio 58 | 24 Sagittarius 43 | 24 Pisces 55 |
| Mars | 14 Virgo 57 | 3 Capricorn 55 | 3 Virgo 19 |
| Jupiter | 22 Virgo 27 | 22 Cancer 47 | 16 Virgo 13 |
| Saturn | 2 Aquarius 59 | 25 Pisces 30 | 13 Aquarius 22 |
| Uranus | 19 Aries 27 | 28 Taurus 19 | 22 Aries 9 |
| Neptune | 10 Virgo 10 | 29 Pisces 23 | 8 Virgo 10 |
| Pluto | 22 Cancer 50 | 2 Aquarius 23 | 21 Cancer 15 |
| Rahu | 11 Pisces 30 | 12 Pisces 46 | 6 Pisces 35 |
| Ketu | 11 Virgo 30 | 12 Virgo 46 | 6 Virgo 35 |
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.Dirk van Dalen's 2025 Transits to Natal Planets
- Saturn opposition Mars
Exact: 11 January, 2025 - Saturn opposition Jupiter
Exact: 22 March, 2025 - Saturn opposition Moon
Exact: 01 April, 2025 - Saturn square Sun
Exact: 11 May, 2025 - Ketu conjunction Moon
Exact: 11 May, 2025 - Ketu conjunction Jupiter
Exact: 31 May, 2025 - Mars square Mercury
Exact: 30 June, 2025 - Jupiter trine Rahu
Exact: 30 July, 2025 - Saturn square Sun
Exact: 08 September, 2025 - Mars square Saturn
Exact: 28 September, 2025 - Ketu conjunction Mars
Exact: 28 October, 2025 - Saturn opposition Moon
Exact: 27 November, 2025
