Tomorrow, Tuesday, December 21, winter begins officially, which ends the season of autumn 2021. But this day not only stands out for being the beginning of a new season, but it is also proclaimed as the shortest day of the year.
The winter solstice will begin. From that moment, the winter season will last until March 20, the day when spring will start, so the solstice will last 87 days.
The shortest day and the longest night. As a general rule, the change of autumn-winter season can vary between December 20 and 23, but throughout the 21st century, the current one, will always start between the 20 and 22. This time it was his turn. Tuesday, December 21, when the day will be shortest and the night will be the longest.
The northern hemisphere, further from the Sun. This phenomenon occurs because at the time of the winter solstice the northern hemisphere is very far from the Sun, so there is an imbalance between the hours of day and night, which results in that there are more hours of darkness than light.
Nine hours of light. For all this, today the night will be longer and it will begin to get dark earlier than normal. The hours of light will last only 9 hours and 17 minutes, a big difference with the longest day of the year 2021 that took place on June 21, when 15 hours of natural light were exceeded.
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