It is the inclination of the Earth’s axis of rotation to the plane of its orbit, combined with the orbital motion around the Sun, that makes the lighting conditions different for a given hemisphere. Therefore, it is in winter that the period of the shortest days and the longest nights of the year occurs.
The astronomical winter of 2021 this year started faster than the calendar one
It is in the astronomical winter that it falls. It usually takes place on December 21 or 22. Then, the phenomenon of the sun’s wandering along the tropic of Capricorn takes place, which means that the day lasts less than 8 hours. This year, the astronomical winter began on Tuesday, December 21. We could observe the sunrise around 7 o’clock and the sunset around 3 o’clock.
The astronomical winter of 2021 is good news for some
From the moment of the winter solstice,. This is good news especially for those who long for sunny and bright days. Of course, we will not be able to see a noticeable difference until the vernal equinox. In 2022, it will take place on March 20.
The calendar winter of 2021 has also started
We can distinguish winter on the basis of other criteria. One of them is the calendar winter, which falls on the same day every year, i.e. December 22. There is also the so-called phenological winter, which means strongly or. We can also distinguish climatogenic winter. It occurs when average daily temperatures are equal to or lower than 0 degrees Celsius.
Source: Gazeta
Tristin is an accomplished author and journalist, known for his in-depth and engaging writing on sports. He currently works as a writer at 247 News Agency, where he has established himself as a respected voice in the sports industry.
