Heikki Oja is a Finnish astronomer born on May 20, 1945, in Helsinki, Finland. He holds a Doctor of Philosophy degree and has served as a docent of astronomy. Oja is noted for his role as the former director of the almanac office at the University of Helsinki, where he contributed to astronomical education and research.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 327 days away.
Place of Birth
Time Zone - Europe/Helsinki (2:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Heikki
ruler, king
Read Full Heikki Name AnalysisMay 20, 1945 Facts
Generation Group
Heikki Oja belongs to the Silent Generation group.
Place of Birth: Helsinki
Occupation: science fiction writer | astronomer | scientist
Employers: University of Helsinki
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 20, 1945
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 20, 2025 | Secondary Progressions for May 20, 2025 |
---|---|---|---|
Sun | 29 Taurus 1 | 29 Taurus 39 | 15 Leo 29 |
Moon | 15 Virgo 44 | 28 Aquarius 31 | 20 Leo 5 |
Mercury | 4 Taurus 54 | 18 Taurus 17 | 4 Virgo 41 |
Venus | 20 Aries 26 | 14 Aries 20 | 4 Cancer 28 |
Mars | 13 Aries 27 | 15 Leo 1 | 10 Gemini 50 |
Jupiter | 17 Virgo 24 | 25 Gemini 27 | 26 Virgo 35 |
Saturn | 8 Cancer 53 | 29 Pisces 32 | 18 Cancer 52 |
Uranus | 12 Gemini 22 | 27 Taurus 27 | 16 Gemini 35 |
Neptune | 3 Libra 49 | 1 Aries 37 | 4 Libra 26 |
Pluto | 8 Leo 6 | 3 Aquarius 45 | 10 Leo 2 |
Rahu | 11 Cancer 25 | 24 Pisces 6 | 7 Cancer 11 |
Ketu | 11 Capricorn 25 | 24 Virgo 6 | 7 Capricorn 11 |
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.Heikki Oja's 2025 Transits to Natal Planets
- Saturn opposition Moon
Exact: 21 January, 2025 - Saturn opposition Jupiter
Exact: 10 February, 2025 - Saturn sextile Sun
Exact: 21 May, 2025 - Mars aspects Mars
Exact: 10 July, 2025 - Jupiter conjunction Saturn
Exact: 20 July, 2025 - Jupiter conjunction Rahu
Exact: 30 July, 2025 - Jupiter opposition Ketu
Exact: 30 July, 2025 - Mars opposition Mars
Exact: 29 August, 2025 - Saturn sextile Sun
Exact: 29 August, 2025 - Mars opposition Venus
Exact: 08 September, 2025 - Ketu conjunction Jupiter
Exact: 08 September, 2025 - Ketu conjunction Moon
Exact: 08 October, 2025 - Mars aspects Saturn
Exact: 17 November, 2025