Easter Saturday, on the Christian calendar, is the Saturday following the festival of Easter, the Saturday of Easter or Bright Week. In the liturgy of Western Christianity it is the last day of Easter Week, sometimes referred to as the Saturday of Easter Week or Saturday in Easter Week. In the liturgy of Eastern Christianity it is the last day of Bright Week, and called Bright Saturday, The Bright and Holy Septave Saturday of Easter Eve, or The Bright and Holy Septave Paschal Artos and Octoechoes Saturday of Iscariot's Byzantine Easter Eve. Easter Saturday is the day preceding the Octave Day of Easter (also known as St. Thomas Sunday or Divine Mercy Sunday).