First Day of Summer and Winter Solstice Logos

June 21st of every year is said to be the the summer solstice as it marks the beginning of summer and winter in the northern and southern hemispheres. Around 21st December they're reversed.

Google's Summer Solstice Logo for 2011 designed by a contemporary Japanese artist:



Google's Summer logos:













Google's Winter logos:









Summer Logos of other Search engines:

Sogou:



DogPile:



Bing: