Credit: Photo courtesy of MTV © and TM MTV Networks Photo: The Season 2 Cast of Jersey Shore

Mark your calendars with the cast of the Jersey Shore's birthdays! You wouldn't want to miss out on tweeting @ The Situation and Snooki on their big days, now would you? Do you share a birthday with any of these crazy guidos and guidettes?

Snooki is 23 and her birthday is November 23, 1987

JWOWW is 24 going on 25 and her birthday is February 27, 1986

Vinny is 23 November 11, 1987

Sammi is 23 going on 24 and her birthday is March 14, 1987

Ronnie is 25 and his birthday is December 4, 1985

- Pauly D is 30 and his birthday is July 5, 1980

- The Situation is 28 and his birthday is July 4, 1982

- Deena Corteze is 24 and her birthday is January 12, 1987