June 21 is the summer solstice in the Northern Hemisphere and the winter solstice in the Southern Hemisphere. It has the most hours of daylight in the Northern Hemisphere and the fewest hours of daylight in the Southern Hemisphere. The Northern Hemisphere is tilted towards the sun and the sun sheds light directly on the Tropic of Cancer on June 21. The annular phase of a rare solstice solar eclipse is visible from parts of Africa and Asia,

Light a candle to celebrate Summer Solstice

It was also Fathers Day 18 June!