Advertisement

Nychthemeron, or Nycthemeron ( from Greek nykt- "night", (h)emera "day" ) is a period of 24 consecutive hours. It is sometimes used, especially in technical literature, to avoid the ambiguity inherent in the term "day."

It is the period of time that a calendar normally labels with a date.

Community content is available under CC-BY-SA unless otherwise noted.