Từ Wikimedia Commons
Bước tới điều hướng Bước tới tìm kiếm

Summer solstice[sửa]

English: Summer solstice is the longest day of the year. It takes place on June 21/22 in the Northern Hemisphere and December 21/22 in the Southern Hemisphere. It is celebrated as a festival several places.

Winter solstice[sửa]