Mark C. Hersam is an American materials scientist born on January 31, 1975, in Downers Grove. He specializes in the field of materials science, contributing to various advancements and research in this area.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 221 days away.
Place of Birth
Time Zone - America/Chicago (6:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Mark
warrior, Mars, the god of war
Read Full Mark Name AnalysisJanuary 31, 1975 Facts
Generation Group
Mark Hersam belongs to the Generation X group.
Place of Birth: Downers Grove
Educated At: University of Illinois at Urbana–Champaign | University of Cambridge
Occupation: materials scientist
Employers: Northwestern University
Awards Received: Peter Mark Memorial Award | Medard W. Welch Award | Faculty Early Career Development (CAREER) Award | Fellow of the American Association for the Advancement of Science | Marshall Scholarship | MacArthur Fellows Program
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 January 31, 1975
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on January 31, 2025 | Secondary Progressions for January 31, 2025 |
---|---|---|---|
Sun | 11 Aquarius 14 | 12 Aquarius 7 | 1 Aries 29 |
Moon | 8 Libra 46 | 11 Pisces 16 | 26 Cancer 15 |
Mercury | 25 Aquarius 17 | 5 Aquarius 58 | 8 Pisces 56 |
Venus | 1 Pisces 52 | 27 Pisces 15 | 3 Taurus 27 |
Mars | 7 Capricorn 19 | 20 Cancer 32 | 14 Aquarius 45 |
Jupiter | 19 Pisces 9 | 11 Gemini 17 | 0 Aries 52 |
Saturn | 13 Cancer 50 | 17 Pisces 20 | 12 Cancer 22 |
Uranus | 2 Scorpio 30 | 23 Taurus 16 | 1 Scorpio 40 |
Neptune | 11 Sagittarius 18 | 27 Pisces 57 | 11 Sagittarius 45 |
Pluto | 9 Libra 8 | 2 Aquarius 2 | 8 Libra 4 |
Rahu | 6 Sagittarius 57 | 29 Pisces 52 | 4 Sagittarius 18 |
Ketu | 6 Gemini 57 | 29 Virgo 52 | 4 Gemini 18 |
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.Mark Hersam's 2025 Transits to Natal Planets
- Mars aspects Venus
Exact: 01 January, 2025 - Saturn conjunction Jupiter
Exact: 20 February, 2025 - Jupiter trine Sun
Exact: 20 February, 2025 - Mars aspects Venus
Exact: 21 April, 2025 - Mars opposition Sun
Exact: 11 May, 2025 - Jupiter trine Mercury
Exact: 21 May, 2025 - Mars opposition Mercury
Exact: 10 June, 2025 - Mars opposition Venus
Exact: 20 June, 2025 - Jupiter trine Venus
Exact: 20 June, 2025 - Mars square Rahu
Exact: 30 June, 2025 - Jupiter opposition Mars
Exact: 10 July, 2025 - Mars opposition Jupiter
Exact: 20 July, 2025 - Jupiter conjunction Saturn
Exact: 09 August, 2025 - Rahu conjunction Jupiter
Exact: 09 August, 2025 - Mars conjunction Moon
Exact: 19 August, 2025 - Mars square Mars
Exact: 19 August, 2025 - Jupiter trine Jupiter
Exact: 08 September, 2025 - Mars square Sun
Exact: 08 October, 2025 - Mars square Mercury
Exact: 28 October, 2025 - Mars square Venus
Exact: 07 November, 2025