premise: Editing In the Mi(d)st is a ballet made by Miriam Mahdaviani to Oliver Knussen's "The Way to Castle Yonder" and excerpts from his "Music for a Puppet Court" and Aaron Jay Kernis' "Overture in Feet and Meters". The premiere took place June 21, 2002, as part of New York City Ballet's Diamond Project V at the New York State Theater, Lincoln Center.
hypothesis: The premier took place on the night of June 21, 2002.
reason: The context specified the date but not whether it took place during the day or night.