Vernal Equinox: Science Behind the First Day of Spring 2016

The first day of spring. The Vernal Equinox: Everything you need to know https://t.co/qwlCEWHUCY

— funnypic (@funnypicRT) March 20, 2016

https://t.co/EykmfI8Hxp

— John B. Crane, III (@lcbsn97) March 20, 2016

Across the Americas, ancient cultures marked the vernal equinox in stunning ways—some of which are still thriving. https://t.co/HGlph68AnB

— National Geographic (@NatGeo) March 17, 2016

Spring is here! Check out the equinox's quirky math https://t.co/OaLcP8KsMx pic.twitter.com/PjGwd65ses

— Fox News (@FoxNews) March 18, 2016

It's time to change the clocks this Sunday.

It's time to change the clocks this Sunday. 8 ways to avoid losing sleep this weekend: https://t.co/p3kPDfR5zh pic.twitter.com/wlsJ0tAh3x

— Los Angeles Times (@latimes) March 12, 2016

HAPPY FIRST DAY OF SPRING (Vernal Equinox)!!!

Happy #FirstDayofSpring! Get your spring weather forecast: http://t.co/hrOViZGs1q!

— Old Farmer's Almanac (@almanac) March 20, 2015

The word equinox is derived from the Latin words meaning “equal night.” All over the world, days and nights are approximately equal. Today, the Sun rises exactly in the east and sets exactly in the west.

Total #SolarEclipse, supermoon, equinox: Friday’s celestial triple play via @fxnscitech http://t.co/yr5l3Jrx8N pic.twitter.com/FmNXLbyavn

— Fox News (@FoxNews) March 20, 2015

Check out this awesome photo of today's eclipse from Tine Mari Thornes in Norway! pic.twitter.com/yrvNrL1D6g

— EarthSky (@earthskyscience) March 20, 2015

This Friday: A rare combo of solar eclipse, supermoon, and spring equinox

This Friday: A rare combo of solar eclipse, supermoon, and spring equinox http://t.co/ByKWDJgX8H

— National Geographic (@NatGeo) March 19, 2015

Countdown To Eclipse: Eerie Darkness To Cover UK http://t.co/gU5orsCJTS

— Sky News (@SkyNews) March 19, 2015

The Winter Solstice occurs at 3:03 PM PST today!

◼ US National Weather Service Eureka California

Just 89 days until Spring...