Seasons Articles

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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,”...

When Do the Seasons Start in 2020?

When do all of the four seasons—spring, summer, fall, and winter—start and end? Here are your...

First Day of Spring 2020: The Spring Equinox

In 2020, the spring equinox (also called the March equinox or vernal equinox) occurs on Thursday,...

Vernal Equinox Oddities

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

Groundhog Day and Shadow Fun

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

What Are Perihelion and Aphelion?

Earth reaches at its closest approach to the Sun near midnight on January 4–5, 2020. We call this...

Winter Solstice 2020: The First Day of Winter

The winter solstice is Monday, December 21, 2020. This is the astronomical first day of winter in...

2020 Fall Foliage Map

Have the leaves start changing? When will they peak? Last Year’s Peak Foliage Map Below, you’ll...

2019 Summer Forecast: Hotter Temps Out West, Rain for Others

Summer officially begins this Friday, June 21, and it’s shaping up to be another hot one—for some...

Why February Is Cold

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

2018 Summer Weather Forecast

Believe it or not, summer is just around the corner! What kind of weather can we expect this year?...

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...

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 ...

The Autumnal Equinox

Coming up next week is the Blood Moon. Also called the MegaMoon. Or, the Mega Harvest Moon. Or, the...