First Day Of Summer 2025 Uk Calendar. This year’s summer solstice falls on june 20, 2025. The meteorological seasons consist of splitting the seasons into four periods made up of three months each.

Autumn / fall equinox 2025 the autumn or fall equinox. Last day for december 2025 degree candidates to submit thesis/dissertation (etd) for format review to the graduate school via uknowledge.