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Equinox
March Equinox 2026
Date & Time
UTC
Overview
Sun crosses the celestial equator heading north — spring begins in the Northern Hemisphere. Ideal date for solar declination calibration.
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: