interval

30 minutes hr unit of time hour 60 minutes time unit

meanwhile cycle reaction time measure break lag access time seek time processing time embolism absence response time slot intercalation quantity rhythm eternity amount lead time interim lunitidal interval time constant intermission rotational latency float meantime time slot space period distance interruption pause round latent period suspension time interval latency interlude

unbounded interval sub-interval closed interval open interval bounded interval set

separation clearance distance

30 minutes min unit of time quarter man hour half-hour mean solar day twenty-four hour period 24-hour interval quarter-hour minute twenty-four hours solar day person hour hr 15 minutes day 60 minutes time unit sidereal hour

gloaming nightfall daybreak sunup closing time sundown first light midday dayspring clock time fall dawning morning aurora happy hour crepuscle bedtime break of day early-morning hour rush hour sunset cockcrow mealtime small hours time high noon twelve noon sunrise noon evenfall zero hour dusk none gloam time of day noontide twilight noonday midnight crepuscule dawn break of the day canonical hour late-night hour

period time period period of time

xxiv cardinal twenty-four

large integer XXIV two dozen twenty-four