Summer Solstice Mer Solstice 2025 Date Uk. When is the summer solstice 2025? An equinox (march and september) is when the day and the night are of approximately the same length.

An equinox (march and september) is when the day and the night are of approximately the same length. Because of leap year, the june solstice in the year 2024 in europe is on thursday , 20th of june 2024, around 10:50 pm;