When is the First Day of Summer 2025?

When is the First Day of Summer? When is the Summer Solstice?

Need to know the exact date of of the First Day of Summer this year?

The Summer solstice is the day with the most hours of sunlight during the whole year. The word solstice comes from the Latin words for "sun" and "to stand still." In the Northern Hemisphere, it always occurs around June 20 or 21. (In the Southern Hemisphere, it is around December 21 or 22.) This date is considered to be the first day of Summer.

Here's a chart that shows what day of the week the First Day of Summer is celebrated in Northern Hemisphere from 2015 - 2027: