Winter Solstice 2024 Sydney. The sun reaches winter solstice around 21 june each year and marks the astronomical beginning of winter for the southern hemisphere. The days become shorter as a result of the earth tilting away from the sun (at least in one hemisphere at a time).
The days become shorter as a result of the earth tilting away from the sun (at least in one hemisphere at a time). Winter solstice — is the day of the year when the sun passes through the southernmost point of the ecliptic in the northern hemisphere (or through the northernmost.