The Gregorian calendar date of August 17 of the lunar calendar in 2005 is September 20th, and the constellation of that day is Virgo.
Lunar calendar: August 17th, Year of the Rooster.
Main branch: Yiyou Yiyou Ding Wei.
Gregorian calendar: Virgo Tuesday, September 20, 2005.
Source: Hua.com.