New South Wales The longest day of the year will be in around 5 months， during the winter solstice on June 21， with a daylight length of 9 hours and 56 minutes. Longest day in Sydney， 2026 ，。
during the summer solstice on December 21， Shortest day in Sydney， with a daylight length of 14 hours and 27 minutes. ， 2026 ， New South Wales The shortest day of the year was 3 days ago。