Hong Sung-dae is an educator best known as the author of 'The Essence of Mathematics'. Born on July 25, 1937, in Jeongeup, South Korea, he faced many hardships during his childhood. After graduating from Seoul National University with a degree in mathematics, he became a tutor and later a lecturer. He founded Sangsang High School and led its transition to a charter school. As of 2008, he held several prominent positions, including chairman of Sangsang High School and the Honorary Chairman of the Korean Private Secondary School Association.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 133 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Hong
Read Full Hong Name AnalysisJuly 25, 1937 Facts
Generation Group
Hong Sung-dae belongs to the Silent Generation group.
Place of Birth: Jeongeup, North Jeolla Province, South Korea
Educated At: Namsung High School | Seoul National University
Occupation: mathematician
Children: Jaehyun Hong
Employers: Sangsang High School | Publisher Seongji-sa
Astrology Analysis


Ephemeris for July 25, 1937
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on July 25, 2024 | Secondary Progressions for July 25, 2024 |
---|---|---|---|
Sun | 2 Leo 18 | 3 Leo 14 | 26 Libra 53 |
Moon | 28 Aquarius 14 | 1 Aries 9 | 7 Taurus 42 |
Mercury | 19 Leo 52 | 29 Leo 49 | 20 Libra 58 |
Venus | 18 Gemini 49 | 17 Leo 14 | 1 Libra 15 |
Mars | 24 Scorpio 28 | 3 Gemini 21 | 13 Capricorn 59 |
Jupiter | 20 Capricorn 56 | 13 Gemini 14 | 19 Capricorn 28 |
Saturn | 5 Aries 11 | 18 Pisces 47 | 29 Pisces 57 |
Uranus | 13 Taurus 27 | 26 Taurus 41 | 12 Taurus 18 |
Neptune | 17 Virgo 3 | 29 Pisces 47 | 20 Virgo 3 |
Pluto | 28 Cancer 25 | 0 Aquarius 47 | 0 Leo 6 |
Rahu | 12 Sagittarius 38 | 9 Aries 55 | 8 Sagittarius 2 |
Ketu | 12 Gemini 38 | 9 Libra 55 | 8 Gemini 2 |
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.Hong Sung-dae's 2025 Transits to Natal Planets
- Jupiter conjunction Ketu
Exact: 01 January, 2025 - Jupiter opposition Rahu
Exact: 01 January, 2025 - Jupiter conjunction Ketu
Exact: 12 March, 2025 - Jupiter opposition Rahu
Exact: 12 March, 2025 - Mars opposition Jupiter
Exact: 22 March, 2025 - Jupiter conjunction Venus
Exact: 21 April, 2025 - Mars conjunction Mercury
Exact: 31 May, 2025 - Jupiter trine Moon
Exact: 31 May, 2025 - Mars square Rahu
Exact: 10 July, 2025 - Mars square Jupiter
Exact: 08 September, 2025 - Jupiter opposition Jupiter
Exact: 28 September, 2025 - Mars conjunction Mars
Exact: 28 October, 2025 - Jupiter trine Mars
Exact: 07 November, 2025 - Mars aspects Sun
Exact: 17 December, 2025