longest day of the year sunset to shortest day
During Solstices the tilt of the axil of the Earth (with respect to the Sun) is the maximum at 23Â° 26'. Solstices occur on 20th or 21st June and 21st or 22nd December each year. During summer the day of the solstice is the longest day of the year and during winter the day of the solstice is the shortest day of the year. During June it is Summer Solstice in the Northern hemisphere and Winter Solstice in the Southern hemisphere.