Articles About Solstice (18)
![June solstice illustration Earth's position in relation to the Sun's rays at the June solstice.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/june-solstice-dark.png?1)
June Solstice
The June solstice is the longest day of the year in the Northern Hemisphere and the shortest day in the Southern Hemisphere.
![Houses and trees in the snow at dusk.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/winter-solstice-nothern-hemisphere.jpg?1)
December Solstice
The December solstice is the shortest day the Northern Hemisphere. South of the equator, it's the longest day.
![Calendar of Cosmic Events, Watch the Sky! Calendar of Cosmic Events](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/fb--cosmic-events-01.png?1)
2022 Cosmic Calendar
Celestial events and highlights of 2022 including supermoons, solar and lunar eclipses, meteor showers, solstices, and equinoxes.
![Tourists visiting the Papal Basilica of St. Peter in the Vatican City Rome, Italy - November 2015. Tourists visiting the Papal Basilica of St. Peter in the Vatican City Rome, Italy - November 14, 2015](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/italy-rome-vatican-.jpg?1)
The Gregorian Calendar
The Gregorian calendar is the internationally accepted civil calendar that was first adopted in 1582.
![Frozen lake and snowy forest](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/winter-lake.jpg?1)
Winter Start 2022
Winter starts at the winter solstice. When is the winter solstice this year?
![A tree changing through the four seasons. A tree changing through the four seasons.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/four-seasons-causes.jpg?1)
What Causes Seasons on Earth?
Seasons change because Earth's rotational axis tilts away or towards the Sun during the course of a year.
![Bronze statue of Bolognese Pope Gregory XIII in Accursio Palace Bologna](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/pope-gregory.jpg?1)
Gregorian Calendar Reform: Why Are Some Dates Missing?
The Gregorian calendar was introduced in 1582 in some countries. The US, Canada, and the UK changed in 1752. Why were some days skipped?
![Sun peeking through trees with snow on the leaves and branches and snow on the ground.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/december-solstice-winter.jpg?1)
December Solstice Facts
10 things you may not know about the December solstice, the shortest day of the year in the Northern Hemisphere.
![Sun Distances; Perihelion, Aphelion Diagram showing the distance between the Sun and Earth at different times of the year (perihelion and aphelion).](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/sun-distances.png?1)
Earth's Perihelion
Earth's closest approach to the Sun is two weeks after the December solstice is a coincidence and has no special significance.
![Astronomy Glossary - Terms & definitions Astronomy Glossary - Terms & definitions](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/fbimage-glossary--astronomy.png?1)
Astronomical Glossary - Terms & Definitions
What do astronomers really mean when they use those technical terms?
![Illustration showing Earth's axis drawn as a red line.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/axial-tilt.png?1)
Earth Is Tilted
When an object the size of Mars crashed into the newly formed planet Earth around 4.5 billion years ago, it knocked it over and left it tilted at an angle.
![Illustration image](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/summer-dog.jpg?1)
When Is Summer 2022?
When is the summer solstice 2022 in the southern and northern hemispheres?
![A big yellow Full Moon setting behind snowy Alaska Range mountains near Denali with pine trees in the foreground.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/yellow-full-moon-snow-mountains.jpg?1)
January: Wolf Moon
January's Full Moon is named after howling wolves. In some cultures, it's known as the Quiet Moon, Severe Moon, and the Moon after Yule.
![Moonrise over alpine peaks in Utah.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/cold-moon.jpg?1)
December: Cold Moon
The December Full Moon is called the Cold Moon, Long Nights Moon, the Moon before Yule, Oak Moon, and Wolf Moon.
![Sun peeking through trees with snow on the leaves and branches and snow on the ground.](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/december-solstice-winter.jpg?1)
December Solstice Customs
Learn more about the customs, traditions and events surrounding the December solstice.
![Parents playing with their young daughter in the evening sun](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/evening-family.jpg?1)
June Solstice Facts
11 things you may not know about the June solstice.
![Illustration image](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/stonehenge-june-solstice.jpg?1)
June Solstice Traditions
In many Northern Hemisphere cultures, the June solstice is associated with holidays, feasts and celebrations.
![sunlight across the globe](http://webcf.waybackmachine.org/web/20220819175716im_/https://c.tadst.com/gfx/150x84/sunlight-fact-check-article.png?1)
99% Of Us See Daylight at This Moment (Or Do We?)
Is it really true that 99% of the world's population see daylight at 11:15 UTC on July 8?