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Writer's pictureAngela Rexario

Which is the Longest Day of the Year 2021

Official 1st Day of Summer 2021


Do you want to know when is the first day of summer 2021? The first day of the hottest season occurs on the day of summer solstice. The northern hemisphere experiences summer in June and the Southern Hemisphere witnesses summer solstice in December. Due to the tilt of the Earth, both the hemispheres experience season at different times of the year. This year, the first day of the summer is on 20th June 2021 EDT and on 21st June 2021 UTC.


Further, we have stated full details of summer solstice date and time. This day is also the longest day of the year. The day receives maximum amount of sunlight as the sun is straight above the earth. The tilt of our planet on its orbit results in different seasons in different hemispheres. Our blog also covers full moon calendar and new moon dates of every month.






Longest Day of The Year


Summer solstice or the first day of summer is also the longest day of the year. This day, the sun shines over the tropic of cancer. This is for northern hemisphere. The opposite of the same thing happens in December 21st or 22nd that is called winter solstice. On the first day of summer, the Sun is at its northernmost position before reversing its direction.


As the winter arrives, the sun reaches its southernmost position in relation to our planet. On the day of summer solstice, there is no zenith moving north or south. Instead, the Sun stands still right at the tropic of cancer.


The longest day of the year date may differ. It anytime between 20th to 23rd June. Since past few years it falls on 21st of June. The next 22nd of June summer solstice will happen in 2203. For southern hemisphere, the longest day of the year is 21st of 22nd December when the Sun reaches and stands still at the tropic of Capricorn.


The summer in Northern Hemisphere starts on 21st June and ends on 21st September or 22nd September. Keep following our blog to know when is the first day of fall 2021 and the first day of winter in 2021.


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