"Día" is the Spanish word for "day," referring to the period of time it takes for the Earth to complete one rotation on its axis. A typical day lasts 24 hours and is divided into daytime and nighttime. The concept of a day is fundamental in various cultures and is used to organize time, schedules, and activities. In many cultures, days are named after celestial bodies or deities. For example, in English, the days of the week are derived from Norse mythology and Roman gods. Similarly, in Spanish, the days are named after celestial bodies, such as Sunday (domingo) being associated with the Sun.