sundown, sunset

ushering, heralding, awakening, advent, millennium, epoch, era, wakening, beginnings, reborn, beckons, harbinger, embrace, rebirth, realization, stirrings, reawakening, approaching, cusp, epochal, knell, halcyon, emergence, presentiment, inevitability, momentous, birth pangs, foretold, prophesied, ascendant, horizon, pervading, portends, apocalypse, millennial, finiteness, portent, twilight, ascendence, inexorable, dark ages, rejoicing, paradigm shift, nascence, blossoming, noosphere, augury, hopefulness, revolution, uhuru, creeping, fading, shining, yearning, renascence, modern, enlightenment, propitious, manifest destiny, enlightened, witnessing, alack, unrepressed, unfolding, buzzword, reckoning, renascent, glorious, evolving, beheld, quantum leap, reflection, longing, fangled, onset, wised, armageddon, vanguard, profounder, throwback, stormier, golden, watchword, industrialism, apotheosis, resurrection, atomic age, surely, giddy, disillusionment, suffused, waking, renaissance, utopians, emerging, firmament, quintessence, utopia, eschaton, prophecy, wonderment, epitome, dawn, sunrise, dawns, morning, morn, moon, bloom, daybreak, springtime, sunshine, afterglow, beginning, light, starlight, afternoon, daylight, glimmer, mornings, radiance, stormiest, auspicious, blissful, distant, gloomiest, half, happier, happy, remotest, troublous, unpropitious, bleakest, blest, bluest, brooding, cheerless, drear

hour, time of day

aurora, break of day, break of the day, cockcrow, dawn, daybreak, dayspring, first light, morning, sunrise, sunup