The beginning of winter in the Northern Hemisphere is officially marked by the winter solstice, which occurs around December 21st or 22nd. This day has the shortest amount of daylight and the longest night of the year. In some cultures, the first snowfall or specific astronomical events may also signify the start of winter. In the Southern Hemisphere, winter begins around June 21st with its own solstice.
winter solstice
In the northern hemisphere it is the winter solstice that marks the start of winter.
The Summer Solstice in the northern hemisphere, where the sun is highest declination.
The winter solstice, which occurs around December 21st, marks the official beginning of winter in the Northern Hemisphere. It is the shortest day of the year with the longest night, after which the days start to gradually get longer.
Vernal
the events of the winter Olympics are gymnactics, sking and bobsleding
There are 15 winter sports events that were announced to be apart of the 2010 Winter Olympics.
autumnal equinox
There are 21 Winter [ranked] sporting events
There will by 98 events in the 2014 Sochi Winter Olympics
sequence signals are signals that are used to arrange events in proper order...! for example..the teacher is in a wrong grammar..!
The December solstice, which is the winter solstice in the northern hemisphere marks the beginning of northern winter.