There's a reason we've all been saying it's summer since after Memorial Day Weekend—at least meteorologically speaking—but if we're speaking astronomically, summer hasn't even started yet. Here's everything you need to know about the first day of summer (this year and every other year) and the solstice that comes with it.

When is the first day of summer 2019?

Every year the first day of summer is a little different, shifting anywhere from June 20th to June 22nd. Summer 2019 begins on Friday, June 21st—yes, that's this Friday and I am too excited about it.

According to The Old Farmer's Almanac, the first day of summer differs meteorologically versus astronomically.

Meteorological First Day of Summer: June 1

Astronomical First Day of Summer: June 20-22 (coincides with the summer solstice)

In other words, when we say it's summertime right after MDW, we aren't entirely wrong...it's half correct, I guess!

What is the summer solstice?

The summer solstice is the longest day of the year, meaning you'll have the most daylight this day as the Sun is at the highest point in the sky. Because of this, it takes longer to rise and set.

Exact Time of the Summer Solstice

Summer Solstice 2019 will occur on Friday, June 21st at 11:54 a.m. To figure out exactly how much sunlight you will have that day in your location, try out the Almanac's Sunrise and Sunset Calculator by simply typing in your city, state, or zip code and punching in June 21, 2019.

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