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Solstice
June Solstice 2026
Date & Time
UTC
Overview
Sun reaches northernmost declination (+23.44°). Longest day in the Northern Hemisphere. Key date for solar altitude calculations.
Data Source
Solstice and equinox dates calculated from JPL DE440 ephemeris (the same planetary/lunar ephemeris used by NASA). Meteor shower peak dates and ZHR values follow the International Meteor Organization (IMO) annual calendar. Planetary event data from NASA Horizons system.
Plan Your Observation
Use these free tools to prepare for the event: