When the Sun reaches 18° below the horizon, the twilight's brightness is nearly zero, and evening twilight becomes nighttime. The lower the Sun is beneath the horizon, the dimmer the twilight (other factors such as atmospheric conditions being equal). The word twilight can also refer to the periods of time when this illumination occurs. Twilight is light produced by sunlight scattering in the upper atmosphere, when the Sun is below the horizon, which illuminates the lower atmosphere and the Earth's surface. 3 'Twas moonset at starting but while we drew near Lokeren, the cocks crew and twilight dawned clear.Evening twilight: civil, nautical, and astronomical stages at dusk.

Browning How they brought Good News in Bells & Pomegranates No. Morning twilight, which lasts from daybreak to sunrise.Ĭ1440 Promptorium Parvulorum 505/1 Twye lyghte, be-fore the day, diluculum.ġ845 R.

99 A chasm that looked dark and frightful in the gathering twilight.Ĭ. Most commonly applied to the evening twilight, from sunset to dark night.ġ412–20 J. 52 The twilight is that faint light which opens the morning by little and little in the east, before the sun rises and gradually shuts in the evening in the west, after the sun is set.ī. The light diffused by the reflection of the sun's rays from the atmosphere before sunrise, and after sunset the period during which this prevails between daylight and darkness.Ĭ1440 Promptorium Parvulorum 505/1 Twylyghte, be-twyx þe day and þe nyghte, or nyghte and þe day, hesperus.ġ796 J. Twilight come from Twilight = two + light (probably the light of the day (the sun) and the light of the night (the moon)ġ. Prologue (before the main event) - the Story - Epilogue (after the main event):ĭawn (before the main event) - Daylight/Daytime - Dusk (after the main event.)

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