Interval
An interval, or time interval, was the measure of time required for a cycle to complete.

Old Faithful, a geyser found in Yellowstone National Park on Earth, was so called because of its regular eruption cycle occurring in semi-regular intervals. In 2365, Doctor Paul Stubbs compared the unusual neutron star/red giant binary system in the Kavis Alpha sector to Old Faithful because of the regular 196 year interval between expulsions of neutronium by the neutron star. ()

On , the homeworld of the Ocampa, the  provided the Ocampa with nutritional supplements, dispensed from their food processors every 4.1 intervals. ()

Time measurements