22 September 2017 is the date of autumnal moderation of this year and the first days of fall, where
As of today, the Arctic is the beginning of a very long night, which lasts for 6 months continuously, where the sun does not shine in this place and not once until the spring equinox next year.
As of today, Antarctica is the beginning of a very long day, which lasts for 6 months without interruption. The sun does not go away permanently until March 2018.