

The Longest Day
Observed
the first day of Summer
Dates
June 21st, 2023 2:57 PM
June 20th, 2024 8:50 PM
June 21st, 2025 2:41 AM
June 21st, 2026 8:24 AM
June 21st, 2027 2:10 PM
Hashtags
Sources
The Longest Day is observed next on Saturday, June 21st, 2025. It is observed the first day of Summer.