Articles About December (14)

Why are there 12 months? How long are they, and what do the month names mean?

When do seasons begin and end in the two hemispheres?

Celestial events and highlights of 2023 including supermoons, solar and lunar eclipses, meteor showers, solstices, and equinoxes.

The December solstice is the shortest day the Northern Hemisphere. South of the equator, it's the longest day.

Winter starts at the winter solstice. When is the winter solstice this year?

10 things you may not know about the December solstice, the shortest day of the year in the Northern Hemisphere.

When is the summer solstice 2023 in the southern and northern hemispheres?

December is the twelfth month of the year and has 31 days. It was originally the tenth month of the Roman calendar until 153 BCE.

The December Full Moon is called the Cold Moon, Long Nights Moon, the Moon before Yule, Oak Moon, and Wolf Moon.

Learn more about the customs, traditions and events surrounding the December solstice.

11 things you may not know about the June solstice.

Everything you need to know about Comet ISON or C/2012 S1.

Comet 46P/Wirtanen will grace the night sky in December 2018. Find when, how, and where to see the brightest comet of the year with your naked eyes.

There's a moment each year when almost 9 in 10 people worldwide experience night.