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Welcome Spring Equinox

First Day of Spring 2021: The Spring Equinox

In 2021, the spring equinox occurs on Saturday, March 20. This event marks the astronomical first...
Spring, Summer, Fall, Winter 360

When Do the Seasons Start in 2021?

When do all of the four seasons—spring, summer, fall, and winter—start and end? Find your equinox...
Winter Sunrise

Winter Solstice 2020: The First Day of Winter

The winter solstice happens on Monday, December 21, 2020. This is the astronomical first day of...
Earth Near Sun

What Are Perihelion and Aphelion?

Earth reaches its closest approach to the Sun for the year 2021 on January 2. We call this point in...
Autumn Foliage on Lake

Fall Foliage: Be Prepared for Peak Foliage

Have the leaves start changing in your area? When will they peak? Find tips for spotting peak...
Midsommar celebration

Midsummer Day 2020: Why (and How) is Midsummer Celebrated?

Are you familiar with Midsummer Day (traditionally June 24)? Here’s why it is called “Midsummer,”...
March Equinox Fun Facts

Vernal Equinox Oddities

On the spring equinox, does the Sun rise due east and set due west? Are day and night equal? Bob...
Groundhog Emerging

Groundhog Day and Shadow Fun

Groundhog Day. Just a bizarre tradition involving rodents? Or, rather, marmots? Actually, Groundhog...
Blizzard

Why February Is Cold

Our coldest months are December, January, and February in North America. Someone recently asked me...
The Seasons and Sun Strength

A Better Way to Visualize the Seasons

We’ve grown up with four seasons. But they don’t always match what we experience. What about...
Moon Summer Solstice

Summer Solstice Full Moon in June!

On June  20, 2016, the Full Moon appears on the same night as the summer solstice! It’s rare, all ...