06/21/2013 07:49 am ET

First Day Of Summer 2013: June 21 Marks Start Of The Season, Longest Day Of The Year


Happy summer!

Friday, June 21 is the summer solstice, marking the official first day of the season and the longest day of the year. So, how much sun should you plan on seeing? Daytime can vary depending on your location. Los Angeles residents may experience about 14.5 hours of sun, while those in Anchorage can expect more than 19.

People celebrate the beginning of summer around the world, including a summer solstice festival at Stonehenge and a day of yoga in New York City's Times Square.

With all of this wonderful daylight, here are some tips to help you enjoy a green summer. Did we leave out any of your favorite activities? Let us know in the comments below!