Nautical DuskĪt nautical dusk, the Sun is 12 degrees below the horizon. The 3 stages of dusk and evening twilight. The brightest stars and planets, like Venus and Jupiter, are now visible to the naked eye and more celestial bodies begin to appear in the sky.
This is a good time for photographers to capture the sky and the soft glow of the sunlight.īeyond this point, artificial light is generally needed to carry out most outdoor activities. At this moment, the Earth's atmosphere still reflects a large portion of sunlight, coloring a clear sky in different shades of orange and red.
It marks the end of civil twilight, which begins at sunset. Precise dusk and sunset times for your city Civil DuskĬivil dusk is when the geometric center of the Sun's disk goes 6 degrees below the horizon. Astronomical dusk – the geometric center of the Sun's disk is 18 degrees below the horizon.Nautical dusk – the geometric center of the Sun's disk is 12 degrees below the horizon.Civil dusk – the geometric center of the Sun's disk is 6 degrees below the horizon.There are 3 stages of dusk, each marking the end of 1 of the 3 phases of evening twilight: ©/SeanPavonePhoto Scientific DefinitionĪs with dawn, scientists define dusk as specific moments in time based on the solar elevation angle, which is the position of the Sun in relation to the horizon. Business Date to Date (exclude holidays).3 'Twas moonset at starting but while we drew near Lokeren, the cocks crew and twilight dawned clear.
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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