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Happy 1st day of summer

According to the Old Farmer's Almanac:

 

Q: IS THE SUMMER SOLSTICE THE FIRST DAY OF SUMMER?

A: Yes and no—it depends on whether we’re speaking meteorologically or astronomically. Most meteorologists divide the year into four seasons based on the months and the temperature cycle, which allows them to compare and organize climate data more easily. In this system, summer begins on June 1 and ends on August 31. Therefore, the summer solstice is not considered to be the first day of summer, meteorologically speaking.

 

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). Therefore, the summer solstice is considered to be the first day of summer, astronomically speaking.

 

As an almanac, which is defined as a “calendar of the heavens,” we prefer to follow the astronomical interpretation of the seasons and do consider the first day of summer to coincide with the summer solstice. That being said, you may choose whichever system you like best!

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Uploaded on June 21, 2018
Taken on June 20, 2018