John Francis Xavier Diffley is an American molecular biologist known for his research on the precise process of genome replication during cell division. He studied at New York University and was a post-doctoral fellow at Cold Spring Harbor Laboratory. He has been a group leader at the Imperial Cancer Research Fund (now Cancer Research UK) and Director of the Clare Hall Laboratories. He is a member of the European Molecular Biology Organization, the Royal Society, the Academia Europaea, the European Academy of Cancer Studies, the Academy of Medical Sciences, and the American Association for the Advancement of Science. He has received several awards, including the Louis-Jeantet Prize, the Paul Marks Award, and the Canada Gairdner International Award.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 257 days away.
Place of Birth
Time Zone - America/New_York (5:0 W)
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 AnalysisMarch 4, 1958 Facts
Generation Group
John Francis Xavier Diffley belongs to the Baby Boomers group.
Place of Birth: New York City
Educated At: New York University
Occupation: researcher
Employers: Cold Spring Harbor Laboratory | London Research Institute | Cancer Research UK | Francis Crick Institute
Awards Received: EMBO Membership | Fellow of the Academy of Medical Sciences | Paul Marks Prize for Cancer Research | Fellow of the Royal Society | Louis-Jeantet Prize for Medicine | Canada Gairdner International Award
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 March 4, 1958
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on March 4, 2025 | Secondary Progressions for March 4, 2025 |
---|---|---|---|
Sun | 13 Pisces 37 | 14 Pisces 22 | 19 Taurus 31 |
Moon | 28 Leo 36 | 18 Taurus 21 | 20 Aquarius 41 |
Mercury | 14 Pisces 24 | 1 Aries 54 | 24 Aries 6 |
Venus | 4 Aquarius 26 | 10 Aries 41 | 5 Aries 44 |
Mars | 20 Capricorn 50 | 17 Cancer 28 | 10 Pisces 1 |
Jupiter | 1 Scorpio 3 | 12 Gemini 35 | 23 Libra 48 |
Saturn | 25 Sagittarius 17 | 21 Pisces 4 | 25 Sagittarius 7 |
Uranus | 8 Leo 17 | 23 Taurus 45 | 7 Leo 50 |
Neptune | 4 Scorpio 33 | 29 Pisces 1 | 2 Scorpio 57 |
Pluto | 0 Virgo 44 | 2 Aquarius 59 | 29 Leo 46 |
Rahu | 4 Scorpio 3 | 28 Pisces 10 | 0 Scorpio 30 |
Ketu | 4 Taurus 3 | 28 Virgo 10 | 0 Taurus 30 |
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.John Francis Xavier Diffley's 2025 Transits to Natal Planets
- Saturn conjunction Sun
Exact: 01 January, 2025 - Mars square Jupiter
Exact: 01 January, 2025 - Saturn conjunction Mercury
Exact: 01 January, 2025 - Mars opposition Mars
Exact: 31 January, 2025 - Mars opposition Mars
Exact: 22 March, 2025 - Saturn square Saturn
Exact: 11 April, 2025 - Mars square Jupiter
Exact: 21 April, 2025 - Mars aspects Mercury
Exact: 21 May, 2025 - Jupiter opposition Saturn
Exact: 21 May, 2025 - Jupiter trine Jupiter
Exact: 20 June, 2025 - Jupiter trine Rahu
Exact: 30 June, 2025 - Mars opposition Sun
Exact: 10 July, 2025 - Mars square Saturn
Exact: 30 July, 2025 - Jupiter trine Sun
Exact: 09 August, 2025 - Jupiter trine Mercury
Exact: 19 August, 2025 - Mars square Mars
Exact: 08 September, 2025 - Jupiter opposition Mars
Exact: 18 September, 2025 - Mars conjunction Rahu
Exact: 28 September, 2025 - Mars opposition Ketu
Exact: 28 September, 2025 - Mars square Venus
Exact: 28 September, 2025 - Rahu conjunction Mercury
Exact: 07 November, 2025 - Rahu conjunction Sun
Exact: 27 November, 2025