Summer Equinox 2025 Dates And Times. The data is provided by the institut de mécanique céleste et de calcul des éphémérides. 22, which is the fall — also known as the autumnal — equinox.
This page provides precise equinox and solstice dates for the current year and future years up to 2030. Daylight saving time conversion is not included) this is an official u.s.
Summer Equinox 2025 Dates And Times Images References :