When Does Summer Officially Start 2024

When Does Summer Officially Start 2024. Summer begins with the solstice on thursday, june 20, 2024, marking the astronomical first day of summer in the northern hemisphere. Officially, according to the spanish national astronomical observatory, the astronomical summer will last 93 days, ending on september 22, 2024.

On thursday, everyone in the northern half of our planet will experience the summer solstice. Meteorological summer will always begin on 1 june;