Summer Solstice 2025 United States Time. This page provides date and local time for summer solstice in the year 2025 for eugene, oregon, united states. This is the longest day of the year and marks the start of summer in.

This page provides date and local time for summer solstice in the year 2025 for seattle, washington, united states. Solar calendar 2025 in united states showing 365/366 days with sunrise and sunset times and daylight length information.