Time, Periods Of


 * aeon
 * afternoon
 * age
 * all-day
 * all-night
 * always
 * annus
 * mirabilis
 * April
 * around-the-clock
 * August
 * autumn
 * awhile
 * bicentenary
 * bicentennial
 * bimillenary
 * bimillennium
 * blue moon
 * calendar year
 * centenary
 * century
 * chiliad
 * circadian
 * coffee break
 * coons age
 * cycle
 * day
 * daytime
 * decade
 * December
 * donkeys years
 * duration
 * elapse
 * elapsed time
 * eon
 * epoch
 * era
 * eternal
 * eternity
 * everlasting
 * fall
 * February
 * fiscal year
 * forever
 * for good
 * for keeps
 * fortnight
 * Friday
 * future
 * hiatus
 * historical year
 * hitch
 * hour
 * immemorial
 * indiction
 * infinity
 * instant
 * interim
 * interlude
 * intermittent
 * interregnum
 * interval
 * January
 * jiffy
 * July
 * June
 * lasting
 * lead time
 * leap year
 * lifelong
 * life span
 * lifetime
 * long-drawn-out
 * longevity
 * long haul
 * long-run
 * longstanding
 * long-term
 * lustrum
 * March
 * May
 * Metonic cycle
 * microsecond
 * millenary
 * millennium
 * millisecond
 * minute
 * moment
 * Monday
 * month
 * moratorium
 * morning
 * nanosecond
 * Neolithic
 * night and day
 * nine-to-five
 * November
 * October
 * Olympiad
 * overnight
 * past
 * period
 * perpetual
 * perpetual day
 * perpetual night
 * perpetuity
 * picosecond
 * playtime
 * posterity
 * prehistoric
 * present
 * protracted
 * quarter-hour
 * round-the-clock
 * Saturday
 * season
 * second
 * semipiternal
 * September
 * short-run
 * sidereal day
 * since
 * sojourn
 * split second
 * spring
 * stint
 * stretch
 * summer
 * Sunday
 * take five
 * term
 * Thursday
 * time frame
 * time immemorial
 * time-lag
 * time-lapse
 * time limit
 * time-out
 * time out of mind
 * timespan
 * trice
 * Tuesday
 * twelvemonth
 * twinkling
 * Wednesday
 * week
 * weekday
 * weekend
 * while
 * window
 * wink
 * winter
 * workday
 * year