What a Difference a Day Makes (Grey's Anatomy)

"What a Difference a Day Makes" is the collective title for the two-part season nine finale of the American medical drama television series Grey's Anatomy. These episodes, serving as episodes 23 and 24 of the season, originally aired on ABC in the United States on May 16, 2013.

The narrative of these episodes centers on the impending nuptials of April Kepner and Matthew Taylor, unfolding against the backdrop of Seattle Grace Mercy West Hospital (later renamed Grey Sloan Memorial Hospital). Significant storylines revolve around the evolving relationships of the core characters, particularly Meredith Grey and Derek Shepherd, Cristina Yang and Owen Hunt, and the developing feelings between Jackson Avery and April Kepner.

"What a Difference a Day Makes" explores themes of love, commitment, personal growth, and the unexpected turns that life can take. Character decisions made within these episodes have long-lasting consequences that influence subsequent seasons of the series. The finale is characterized by its dramatic tension and emotional resonance, culminating in a pivotal moment involving April and Jackson.