It doesn't have the dates, only the years 1967-1993. She does mention that she's a Libra though, in another episode. So that at least narrows down the time of the year (Sept-Oct).

Pic of the Tombstone

Battle On,
Deadly Chakram

"Being with you is stronger than me alone." ~ Clark Kent

"One little spark of inspiration is at the heart of all creation." ~ Figment the Dragon