n.June 21, when the sun is at its northernmost point

同義詞：June 21midsummer

Summer Solstice
Summer solstice.
Summer Solstice
First Day of Summer
Newsletter of the Mycological Society of America — In This Issue
rainy solstice
rainy solstice
Pagan Spirit Gathering
Team Building (Align)
St John's Day (Estonia)
Milestones at NRC's HIA (2006 Spring)
Ancient Sacred Sites Aligned to the Summer Solstice - Waking Times
ICIDE 2013 : 2013 the 2nd International Conference on Information and Digital Engineering