When Was The First Day Of Summer 2024 Usa. June 20, 2024 (summer solstice). Eastern time, according to the u.s.
Folks hankering for the warmth of summer will get a special treat this week, with the earliest summer solstice in more than two centuries slated for thursday afternoon. The first day of summer this year is thursday, june 20, 2024, per the almanac.