The difference between real time and the time a female perceives it to be. This is generally estimated by adding 15 minutes per female involved, up to 4 females (1 hour).
Female: I'm going to see a movie with my 2 friends, so I should be home by 9.

Accounting for Female Standard Time, she should arrive home around 9:45.
by Spud05 October 23, 2011
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