Alexander Vilenkin is an American physicist of Ukrainian origin, born on May 31, 1949. He is a professor of physics and serves as the director of the Institute of Cosmology at Tufts University. His research focuses on cosmology, including topics such as the early universe and the nature of time. Vilenkin is known for his contributions to understanding the dynamics of cosmic strings and the implications of cosmic inflation.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 323 days away.
Place of Birth
Time Zone - Europe/Zaporozhye (3:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Alexander
Defender of the people
Read Full Alexander Name AnalysisMay 13, 1949 Facts
Generation Group
Alexander Vilenkin belongs to the Baby Boomers group.
Place of Birth: Kharkiv
Educated At: National University of Kharkiv | University at Buffalo
Occupation: non-fiction writer | university teacher | physicist
Children: Alina Simone
Employers: Tufts University
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 13, 1949
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 13, 2025 | Secondary Progressions for May 13, 2025 |
---|---|---|---|
Sun | 22 Taurus 16 | 22 Taurus 52 | 4 Leo 56 |
Moon | 3 Sagittarius 40 | 0 Sagittarius 13 | 9 Virgo 15 |
Mercury | 13 Gemini 26 | 4 Taurus 58 | 6 Leo 39 |
Venus | 29 Taurus 13 | 8 Aries 33 | 2 Virgo 5 |
Mars | 9 Taurus 54 | 11 Leo 29 | 3 Cancer 27 |
Jupiter | 1 Aquarius 59 | 23 Gemini 56 | 26 Capricorn 6 |
Saturn | 29 Leo 57 | 28 Pisces 56 | 5 Virgo 37 |
Uranus | 28 Gemini 29 | 27 Taurus 3 | 2 Cancer 50 |
Neptune | 12 Libra 49 | 1 Aries 27 | 12 Libra 42 |
Pluto | 14 Leo 12 | 3 Aquarius 47 | 15 Leo 49 |
Rahu | 24 Aries 25 | 24 Pisces 29 | 20 Aries 24 |
Ketu | 24 Libra 25 | 24 Virgo 29 | 20 Libra 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.Alexander Vilenkin's 2025 Transits to Natal Planets
- Mars opposition Jupiter
Exact: 01 January, 2025 - Jupiter conjunction Mercury
Exact: 01 January, 2025 - Saturn sextile Sun
Exact: 22 March, 2025 - Jupiter conjunction Mercury
Exact: 22 March, 2025 - Jupiter trine Ketu
Exact: 21 May, 2025 - Saturn sextile Venus
Exact: 21 May, 2025 - Mars aspects Rahu
Exact: 30 July, 2025 - Saturn sextile Venus
Exact: 29 August, 2025 - Mars opposition Mars
Exact: 08 October, 2025