The winter solstice is Monday, December 21, This is the astronomical first day of winter in the Northern Hemisphere and the shortest day of the year. What happens at the winter solstice? Why is the solstice important? In the Northern Hemisphere, the winter solstice always occurs around December 21 or
Common Questions About the Winter Solstice
What is Winter?
When do all of the four seasons—fall, winter, spring, and summer—start and end? Each season has both an astronomical start and a meteorological start. The astronomical start date is based on the position of the Sun in relation to the Earth, while the meteorological start date is based on the month calendar and the annual temperature cycle. Note: The dates above correspond to the start of the listed seasons in the Northern Hemisphere.
How Earth's axis and orbit drive the seasons
Subscriber Account active since. For people who live in Earth's Northern Hemisphere, it will be the shortest day of the year. It also signals the arrival of winter and a gradual advance toward the spring season, whose beginning is marked by an equinox. For those in the Southern Hemisphere, it's exactly the opposite: The December solstice marks the start of summer, when days have reached their longest and brightest.
Winter When is Winter ? While Winter starts and ends at the same moment in time all over the Northern Hemisphere, the date and local time differ from location to location depending on a location's time zone. For more details see the explanations below. Winter afternoon. Dates of other holidays, events and celebrations. Calendars for Looking for calendars for ? See our list of all calendar templates. Word templates for