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www.thoughtco.com/longest-day-of-the-year-1435339

In the Northern Hemisphere, the longest day of the year is always on or around June 21.This is because on this date, the sun's rays are perpendicular to the Tropic of Cancer at 23°30' North latitude. This day is called the summer solstice and it happens twice a year: once in the Northern Hemisphere (June 21) and once in the Southern Hemisphere (December 21) where seasons and sunlight are t...

www.washingtonpost.com/weather/2019/06/21/summer-solstice-longest-day-year...

On Friday, June 21, the sun brightens our skies longer than on any other day in 2019. The summer solstice is here: our longest day and shortest night of the year, and the first day of astronomical ...

www.timeanddate.com/calendar/june-solstice.html

Equinoxes and solstices Equinoxes and solstices happen twice a year, but not always on the same date. timeanddate.com. After the June solstice, the sun follows a lower and lower path through the sky each day in the Northern Hemisphere until it reaches the point where the length of daylight is about 12 hours and eight to nine minutes in areas that are about 30 degrees north or south of the equator.

act.alz.org/site/TR/LongestDay2020/TheLongestDay?pg=entry&fr_id=13035

The Longest Day is the day with the most light — the summer solstice. On June 20, people from across the world will come together to fight the darkness of Alzheimer’s through a fundraising activity of their choice.

time.unitarium.com/events/longest-day.html

When is the longest day of the year? The longest day and the shortest night of the year in the Northern Hemisphere occur during summer solstice which is usually observed on june 21st or sometimes on june 20 UTC (see table 1). In 2019 summer solstice is observed on june 21st, exactly at 15:54 UTC.

www.newsweek.com/summer-solstice-2018-when-what-longest-day-year-first-day...

The day the sun reaches this northern point coincides with the longest day of sunlight for the year. This happens because, on the day of the summer solstice, the Northern Hemisphere is as tilted ...

en.wikipedia.org/wiki/Shortest_day

The winter solstice, hiemal solstice or hibernal solstice, also known as midwinter, occurs when one of the Earth's poles has its maximum tilt away from the Sun.It happens twice yearly, once in each hemisphere (Northern and Southern). For that hemisphere, the winter solstice is the day with the shortest period of daylight and longest night of the year, when the Sun is at its lowest daily ...

www.timeanddate.com/sun/usa/seattle?month=6

June Solstice (Summer Solstice) is on Saturday, June 20, 2020 at 2:43 pm in Seattle. In terms of daylight, this day is 7 hours, 34 minutes longer than on December Solstice. In most locations north of Equator, the longest day of the year is around this date.

en.wikipedia.org/wiki/Summer_solstice

Although the summer solstice is the longest day of the year for that hemisphere, the dates of earliest sunrise and latest sunset vary by a few days. This is because the Earth orbits the Sun in an ellipse, and its orbital speed varies slightly during the year.

weather.com/.../2018-06-12-uk-summer-solstice-2018-when-is-longest-day-june-season

The solstice marks the "longest" day of the year - when the Sun reaches its highest point in the sky - as well as the beginning of the summer period. ... which is why the days are longer as more ...