(Note: For the Southern Hemisphere, invert these dates by six months.)
Are you preparing for winter or just looking to update your home insulation for the coming season? when is.winter
Winter usually begins on December 21 or 22 . This is the shortest day and longest night of the year. It marks the astronomical start of winter, which lasts until the Spring Equinox (around March 20). (Note: For the Southern Hemisphere, invert these dates
The calendar definitions of winter often clash with local reality. "When is winter?" depends heavily on latitude and altitude. (Note: For the Southern Hemisphere