One of the divisions of the night into four night-watches, each being approximately three hours long.

A unit of time equal to three hours, thus comprising one eighth of the day.

This most commonly refers to a meditation session but derives from the division of a twenty-four-hour day into eight three-hour periods. This also refers to the period in which a person takes two thousand seven hundred breaths.

A unit of time measuring a quarter of the day or night; about three hours.