The effective cross sectional area of a thread when subjected to a tensile force. It is based upon a diameter which is the mean of the pitch (or effective) and the minor (or root) diameters of the thread. The use of this diameter stems from the work of E. M. Slaughter in the 1930's.
The Cocktail Hour. For other uses, see Cocktail hour (disambiguation). The Cocktail Hour is a comedy of manners by A. R. Gurney. It premiered in June 1988 in San Diego, California at the Old Globe Theatre and, on October 20, 1988, in New York City at the Off Broadway Promenade Theatre.
I'm having an evening wedding also on a Friday so I'll tell you my time line, maybe that will help. 7:30pm ceremony (7:00pm) on invites 8:00pm cocktail hour and 9pm-1am reception. My ceremony, cocktail hour, and reception are all in the same place so I am able to do the times that closely.