Summer Start Date Southern Hemisphere Repack -

For example, in cities like Sydney (Australia), São Paulo (Brazil), and Cape Town (South Africa), summer officially begins on the December solstice. In 2024, that date is ; in 2025, it will be December 21 as well, though the exact time varies by time zone.

In the Southern Hemisphere, the summer solstice occurs when the Earth's axis is tilted at its maximum angle of 23.5 degrees towards the Sun, resulting in more direct sunlight and longer days. This phenomenon is a result of the Earth's elliptical orbit around the Sun and its axial tilt. summer start date southern hemisphere

Astronomical summer begins at the , the exact moment when the South Pole is tilted most directly toward the sun. This day is the longest day of the year in the Southern Hemisphere. For example, in cities like Sydney (Australia), São