If you have been following this other famous case the mother of Jaycee Dugard gives the time and date of birth of Jaycee Dugard in her impact statement at the trial of the kidnappers.
Jaycee Dugard was kidnapped at age 11 by sex predator Phillip Garrido with the help of his wife Nancy Garrido.
During the years of capture Jaycee gave birth to 2 daughters. Eventually she was found and the Garridos will spend the rest of their lives in prison.
Jaycee Dugard born
May 3 1980
Anaheim California (best guess according to other Internet observers)
She was kidnapped
June 10 1991
South Lake Tahoe, California