Spring Equinox 2025 Uk Time. The table presented here gives the date and time (greenwich mean time) of all. An equinox is one of two days in the year when the sun crosses the equator and day and night become equal in length.
In 2024 it occurred on 20 march at 03.07 gmt. Summer begins with the summer solstice, friday, june 20, 2025, 10:42 p.m.