Robert J. Lang is an American physicist and mathematician born on May 4, 1961, in Ohio, United States. He is known for his contributions to the fields of physics and mathematics, particularly in the areas of origami and folding processes, which have applications in engineering and design.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 319 days away.
Place of Birth
Time Zone - America/New_York (4:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Robert
bright fame, shining glory
Read Full Robert Name AnalysisMay 4, 1961 Facts
Generation Group
Robert J. Lang belongs to the Baby Boomers group.
Place of Birth: Dayton
Educated At: California Institute of Technology | Stanford University
Occupation: mathematician | physicist
Awards Received: Fellow of the American Mathematical Society
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 May 4, 1961
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 4, 2025 | Secondary Progressions for May 4, 2025 |
---|---|---|---|
Sun | 13 Taurus 56 | 14 Taurus 26 | 15 Cancer 16 |
Moon | 4 Capricorn 19 | 15 Leo 36 | 16 Taurus 20 |
Mercury | 17 Taurus 10 | 20 Aries 44 | 1 Cancer 24 |
Venus | 12 Aries 52 | 2 Aries 21 | 0 Gemini 30 |
Mars | 29 Cancer 17 | 7 Leo 18 | 5 Virgo 8 |
Jupiter | 6 Aquarius 18 | 22 Gemini 7 | 4 Aquarius 15 |
Saturn | 0 Aquarius 8 | 28 Pisces 7 | 27 Capricorn 43 |
Uranus | 21 Leo 42 | 26 Taurus 33 | 23 Leo 40 |
Neptune | 9 Scorpio 49 | 1 Aries 12 | 8 Scorpio 34 |
Pluto | 5 Virgo 34 | 3 Aquarius 48 | 6 Virgo 10 |
Rahu | 2 Virgo 47 | 24 Pisces 56 | 29 Leo 24 |
Ketu | 2 Pisces 47 | 24 Virgo 56 | 29 Aquarius 24 |
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.Robert J. Lang's 2025 Transits to Natal Planets
- Mars opposition Saturn
Exact: 01 January, 2025 - Saturn sextile Sun
Exact: 01 January, 2025 - Saturn sextile Mercury
Exact: 31 January, 2025 - Mars opposition Jupiter
Exact: 01 May, 2025 - Jupiter trine Ketu
Exact: 20 June, 2025 - Jupiter opposition Moon
Exact: 30 June, 2025 - Mars aspects Venus
Exact: 10 July, 2025 - Mars aspects Sun
Exact: 29 August, 2025 - Mars opposition Mercury
Exact: 18 October, 2025 - Mars square Ketu
Exact: 07 November, 2025