Summer 2025 Date Ideeen. How many days, weeks, months and years until a holiday. The data correspond to the seasons of the year 2025.

Explore top destinations like croatia, turkey, zambia, egypt, norway, cambodia, the philippines, and india. Summer 2025 starts on friday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth’s axis having reached its furthest tilt and begins to change directiion back.