Katsuji Koyama is a Japanese physicist and astronomer born on April 27, 1945. He specialized in astrophysics and obtained a Doctor of Science degree from Kyoto University in 1976. Koyama is a professor emeritus and a designated professor at Kyoto University. He leads the 21st Century COE program focusing on the diversity and universality of physics. He has received prestigious awards such as the Purple Ribbon Medal in 2004 and the Order of the Rising Sun, Gold and Silver Rays in 2018. He hails from Nishio, Aichi Prefecture.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 309 days away.
Death Anniversary
Next death anniversary is 171 days away.
Death Date
Place of Birth
Time Zone - Asia/Tokyo (9:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Katsuji
Victory, rule, govern
Read Full Katsuji Name AnalysisApril 27, 1945 Facts
Generation Group
Katsuji Koyama belongs to the Silent Generation group.
Place of Birth: Nishio
Educated At: Kyoto University
Occupation: astronomer
Employers: Nagoya University
Awards Received: The Order of the Sacred Treasure, Gold Rays with Neck Ribbon
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 April 27, 1945
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on April 27, 2025 | Secondary Progressions for April 27, 2025 |
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Sun | 6 Taurus 30 | 7 Taurus 7 | 23 Cancer 13 |
Moon | 3 Scorpio 2 | 27 Aries 22 | 10 Libra 31 |
Mercury | 16 Aries 51 | 10 Aries 31 | 18 Leo 54 |
Venus | 19 Aries 7 | 28 Pisces 10 | 8 Gemini 51 |
Mars | 25 Pisces 36 | 3 Leo 51 | 24 Taurus 59 |
Jupiter | 17 Virgo 48 | 20 Gemini 36 | 22 Virgo 37 |
Saturn | 6 Cancer 35 | 27 Pisces 21 | 15 Cancer 56 |
Uranus | 11 Gemini 5 | 26 Taurus 7 | 15 Gemini 35 |
Neptune | 4 Libra 15 | 0 Aries 58 | 3 Libra 55 |
Pluto | 7 Leo 54 | 3 Aquarius 48 | 9 Leo 21 |
Rahu | 12 Cancer 39 | 25 Pisces 20 | 8 Cancer 25 |
Ketu | 12 Capricorn 39 | 25 Virgo 20 | 8 Capricorn 25 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
