How Many Days Until Summer 2027? Summer 2026 Thursday, June 20, 2026 at 4:51 p.m. EDT.The total duration of summer 2026 is 93 days, 15 hours, and 47 minutes How many days are left until summer? Countdown To Summer 2027 Related: Number of days until fall 2027Number of days until winter Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X More Share on Nextdoor (Opens in new window) Nextdoor Share on Pinterest (Opens in new window) Pinterest Share on Telegram (Opens in new window) Telegram Share on WhatsApp (Opens in new window) WhatsApp Share on Mastodon (Opens in new window) Mastodon