Katie Volynets, American tennis player

Katie Volynets is an American professional tennis player. She has a career-high singles ranking of world No. 56 by the WTA, achieved on July 29, 2024.

December 31 is the 365th day of the year in the Gregorian calendar. It is known by a collection of names including: Saint Sylvester's Day, New Year's Eve or Old Year's Day/Night, as the following day is New Year's Day. It is the last day of the year; the following day is January 1, the first day of the following year.