John Sydney Mainstone was an Australian physicist known for overseeing the Pitch Drop Experiment for 52 years. This long-term experiment, which demonstrates the viscosity of tar, made him a notable figure in the field of physics. His dedication to this experiment showcased the importance of long-term scientific observation and has contributed to our understanding of materials. Mainstone's work has left a lasting legacy, particularly in the study of viscous liquids and their behavior over time.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 337 days away.
Death Anniversary
Next death anniversary is 195 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 - John
God is gracious
Read Full John Name AnalysisJanuary 12, 1935 Facts
Generation Group
John Mainstone belongs to the Silent Generation group.
Occupation: physicist
Employers: University of Queensland
Astrology Analysis
Ephemeris for January 12, 1935
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on January 12, 2025 | Secondary Progressions for January 12, 2025 |
|---|---|---|---|
| Sun | 21 Capricorn 34 | 22 Capricorn 45 | 21 Aries 51 |
| Moon | 2 Taurus 0 | 7 Cancer 18 | 13 Leo 21 |
| Mercury | 29 Capricorn 25 | 6 Capricorn 11 | 6 Aries 54 |
| Venus | 4 Aquarius 43 | 9 Pisces 53 | 25 Taurus 41 |
| Mars | 14 Libra 29 | 27 Cancer 34 | 13 Libra 40 |
| Jupiter | 18 Scorpio 30 | 12 Gemini 8 | 21 Scorpio 19 |
| Saturn | 26 Aquarius 20 | 15 Pisces 26 | 6 Pisces 38 |
| Uranus | 27 Aries 31 | 23 Taurus 25 | 0 Taurus 52 |
| Neptune | 14 Virgo 22 | 27 Pisces 29 | 12 Virgo 13 |
| Pluto | 25 Cancer 1 | 1 Aquarius 25 | 23 Cancer 50 |
| Rahu | 1 Aquarius 37 | 0 Aries 52 | 26 Capricorn 51 |
| Ketu | 1 Leo 37 | 0 Libra 52 | 26 Cancer 51 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
