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The summer solstice is the day with the longest period of daylight and shortest night of the year in that hemisphere, when the sun is at its highest position in the sky. At either pole there is continuous daylight at the time of its summer solstice. The opposite event is the winter solstice.
The lengths of time when the sun is up are longer around the summer solstice and shorter around the winter solstice, except near the equator. When the Sun's path crosses the equator, the length of the nights at latitudes +L° and −L° are of equal length. This is known as an equinox. There are two solstices and two equinoxes in a tropical year.
These effects make the day about 14 minutes longer than the night at the equator and longer still towards the poles. The real equality of day and night only happens in places far enough from the equator to have a seasonal difference in day length of at least 7 minutes, [30] actually occurring a few days towards the winter side of each equinox ...
The summer solstice marks the longest day of the year. During the summer solstice, the Sun is at its highest point in the sky and the Earth's tilt toward the star is at its maximum , according to ...
Summer solstice 2024: When is the longest day of the year? The summer solstice 2024 will occur on June 20 at 4:51 p.m. EDT, according to the National Weather Service. What is the summer solstice?
The longer arc is always the midsummer path while the shorter arc the midwinter path. The two arcs are 46.88° (2 × 23.44°) apart, indicating the declination difference between the solstice suns. In addition, some "ghost" suns are visible below the horizon, as much as 18° down, during which twilight occurs.
The winter solstice – marking the longest night and fewest hours of daylight of the year – occurs this Thursday.
Earth's shadow (or Earth shadow) is the shadow that Earth itself casts through its atmosphere and into outer space, toward the antisolar point. During the twilight period (both early dusk and late dawn ), the shadow's visible fringe – sometimes called the dark segment or twilight wedge [ 1 ] – appears as a dark and diffuse band just above ...