the same day
Used as a noun or adverb to refer to the same calendar day previously mentioned or understood from context. Common in schedules, reports, and news articles.
The meeting was held on the afternoon of the same day.
The application deadline is the same day as the announcement.
The release date and price of the new product are set to be announced the same day.
He was appointed department manager effective that same day.
The incident occurred that same morning in front of the station in the city.