Cue that special moment worldwide where we can enjoy the most hours of daylight. It all comes down to the position of the Earth in relation to the Sun.
It occurs when the Earth's northern or southern hemisphere becomes most inclined towards the Sun.
When the Summer Solstice takes place in the northern hemisphere, the Sun will reach its highest possible point.
What is this natural phenomenon?
Around the time of the summer solstice, areas of Norway, Finland, Greenland, Alaska and other polar regions experience 'midnight sun'. Where as in the artic circle it doesn't set at all.
The longest day of the year marks the start of the summer and the harvest season. Celebrations are widely different all over the world.
In Scandinavia there was an old tradition among unmarried girls, where if they ate something very salty during Midsummer, or they collected several different kinds of flowers and put these under their pillow during sleep they would dream of there future husbands.
There is a similar mythology about dreaming of one's future spouse in parts of Greece. As in many European countries, the pagan solstice got adopted by Christianity and rebranded as St. John's Day. Still, in many villages in the country's north, ancient rituals are still celebrated.
In Eastern Europe According to Polish folklore, would be couples would stand the best chance of eternal love by beginning relations on the eve of summer solstice. Bonfires are also a large feature of the holiday, and it is tradition for a couple to leap through the flames together while holding hands -- if they don't let go, it is said their love will last.
In the UK the largest celebrations happen at Stonehenge attracting thousands of tourists to the pagan celebrations.
We captured the longest day of the year on Friday 21st of June across the globe. Here are some of the most striking time-lapses.