Days Until Winter Calculator

What is the first day of winter?

The first day of winter, also known as the winter solstice, marks the astronomical beginning of winter in the Northern Hemisphere. This is the day with the fewest daylight hours of the year, when the sun reaches its lowest position in the sky at noon.

How is the winter solstice calculated?

The winter solstice date varies slightly each year. This calculator uses an astronomical algorithm:

This formula is accurate to within one day for years 2000-2100.

When does winter begin?

The winter solstice typically falls on December 21 or 22:

What happens during the winter solstice?

During the winter solstice:

• The Northern Hemisphere experiences its shortest day
• The sun is at its lowest point in the sky at noon
• Areas above the Arctic Circle experience 24 hours of darkness
• In the Southern Hemisphere, summer begins

Winter solstice traditions

• Yule: Ancient Germanic midwinter festival
• Dongzhi Festival: Chinese winter solstice celebration
• Saturnalia: Ancient Roman festival (historical)
• Stonehenge gatherings: Watching the winter sunset
• Candle lighting: Symbolizing the return of light

Planning for winter

Use your countdown to prepare:

• Winterize your home and car
• Plan holiday celebrations
• Schedule ski trips and winter activities
• Stock up on winter supplies
• Prepare for shorter days with cozy activities