Pieter Martinus Heertjes was a Dutch professor, politician, and resistance fighter born on December 18, 1907, in Monnickendam. He grew up in Dutch East Indies and studied chemistry at Delft University of Technology, earning his doctorate in 1938. He served as a regional commander of the Binnenlandse Strijdkrachten during World War II and was appointed as an independent member of the Nood-parlement. He joined the PvdA in 1946 and was a professor of chemical technology in Delft from 1947 to 1978. He passed away on May 7, 1983.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 360 days away.
Death Anniversary
Next death anniversary is 229 days away.
Death Date
Place of Birth
Time Zone -
Chinese Zodiac Sign
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Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Pieter
Peter, stone
Read Full Pieter Name AnalysisDecember 18, 1907 Facts
Generation Group
Pieter Martinus Heertjes belongs to the GI Generation group.
Place of Birth: Monnickendam
Place of Death: Delft
Educated At: Technische Hogeschool Delft
Occupation: university teacher | resistance fighter | chemist | politician
Spouses: unknown
Children: 2 sons | 2 daughters
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 December 18, 1907
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 18, 2025 | Secondary Progressions for December 18, 2025 |
|---|---|---|---|
| Sun | 25 Sagittarius 39 | 27 Sagittarius 1 | 24 Aries 20 |
| Moon | 14 Gemini 2 | 12 Sagittarius 4 | 0 Libra 44 |
| Mercury | 11 Sagittarius 0 | 9 Sagittarius 1 | 2 Aries 46 |
| Venus | 19 Capricorn 13 | 22 Sagittarius 29 | 9 Gemini 26 |
| Mars | 13 Pisces 30 | 2 Capricorn 34 | 5 Gemini 2 |
| Jupiter | 12 Leo 50 | 22 Cancer 59 | 3 Leo 42 |
| Saturn | 21 Pisces 39 | 25 Pisces 26 | 3 Aries 39 |
| Uranus | 11 Capricorn 47 | 28 Taurus 22 | 16 Capricorn 51 |
| Neptune | 13 Cancer 58 | 29 Pisces 23 | 12 Cancer 13 |
| Pluto | 23 Gemini 45 | 2 Aquarius 20 | 23 Gemini 2 |
| Rahu | 15 Cancer 10 | 12 Pisces 52 | 8 Cancer 55 |
| Ketu | 15 Capricorn 10 | 12 Virgo 52 | 8 Capricorn 55 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
