What Day Is The First Day Of Summer

The summer solstice is an annual astronomical phenomenon that brings the longest day of the year and the first day of summer in the northern hemisphere and the shortest night.

This day is known as the summer solstice. We re already a few weeks into meteorological summer however. In 2019 summer begins on june 21 at 11 54 am edt 15 54 utc year. As seen from earth the sun is directly overhead at noon 23 5 degrees north of the equator at an imaginary line encircling the globe known as the tropic of cancer named.

In the southern hemisphere it is around december 21 or 22 this date is considered to be the first day of summer. The first day of spring summer fall and winter can either be defined using astronomical events like solstices and equinoxes or they can be determined based on meteorological factors such as average temperatures. The season continues for 93 days until the autumnal equinox. The june solstice is considered the first day of astronomical summer.

For those of us in the northern hemisphere earth is tilting mostly toward the sun. When is the first day of summer 2019. The declination of the sun on the summer solstice is known as the tropic of cancer 23 27. Therefore the summer solstice is not considered to be the first day of summer meteorologically speaking.

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Astronomically however the first day of summer is said to be when the sun reaches its highest point in the sky which occurs on the summer solstice june 20 22. Summer begins on. In this system summer begins on june 1 and ends on august 31. This marks the beginning of astronomical summer in the northern.

In the united states and the rest of the northern hemisphere the first day of the summer season is the day of the year when the sun is farthest north on june 20 th or 21 st. The summer solstice the exact moment when the sun is at its highest point in the sky each year is at 5 44 p m.