layovers, midmorning, sunup, years, nanosecond, meal, tipoff, exercycle, overnighter, bedtime, ninety, eyeblink, twenty, duration, beforehand, inch, episode, midafternoon, aday, fartlek, nighter, during, dinnertime, interlude, commute, dozen, hundred, minutes, hourlong, day, evening, mile, afternoon, morning, lunchtime, midnight, workday, weekday, noon, night, weeks, seconds, lunch, time, impromptu, month, marathon, sunrise, kilometers, noontime, weeknight, catnap, hrs, roundtrip, kays, milliseconds, weekends, intermissions, thirty, session, midday, nightlong, tiring, nighttime, half, nap, daytime, nonstop, continental breakfast, fifteen, showtime, fortnight, predawn, min, sundown, rush hour, workweek, maghrib, talkathon, shifts, rems, interval, monthlong, length, carfare, snooze, breakfast, kms, eternity, witching hour, steeve, sleepyheads, graveyard shift, daylight, pints, teatime, per, midnite, introductory, padless, dusk, annularity, week, decade, hours, minute, sunday, decades, months, weekend, year, cantos, inning, chapter, fourhour, twohour, hr, onehour, threehour, h, twoday, fiveminute, tenminute, daylong, fifteenminute, eighthour, grueling, days, gruelling

15 minutes, 30 minutes, half-hour, min, minute, quarter, quarter-hour

aurora, break of day, break of the day, canonical hour, cockcrow, dawn, dawning, daybreak, dayspring, early-morning hour, evenfall, fall, first light, gloaming, happy hour, high noon, late-night hour, man hour, mealtime, nightfall, noonday, noontide, person hour, sidereal hour, small hours, sunset, twelve noon, twilight, zero hour

., 15 minutes, 30 minutes, approximately, back, be, bell, better, big top, bite, board of trade unit, boiling point, breakfast time, by the hour, call back, celestial longitude, chokepoint, circadian, consideration, credit hour, daylight-savings time, daylight-saving time, daylight saving, daylight savings, dinnertime, do, early-morning hour, earlyish, eleventh hour, free, hail, half-hour, half-hourly, horsepower-hour, hourlong, hourly, hour angle, inconveniently, inexorable, inopportune, kilowatt hour, kw-hr, lie-abed, light hour, lunchtime, lunch period, matins, mealtime, melancholy, mental strain, meridian, min, minute, morning prayer, nap, none, nostalgically, on-street, only, past, pollen count, prime, primping, quarter, quarter-hour, ra, rate, reach, right ascension, roundabout, run, semester hour, ship's bell, slow, slugabed, soak, span, start, such-and-such, suppertime, sweep-second, sweep hand, terce, tierce, top, wait, watt-hour, week

mean solar day, solar day, twenty-four hours

amount of time, clock time, distance, period, period of time, time period, time unit, unit of time

60 minutes, time of day