March Equinox 2025 Time. So many parts of the world will see the equinox arrive on march 19. What is the beginning of the astronomical seasons:
March 20 th (northward equinox) june 20 th (northward solstice) september 22 nd. This means setting geocaching goals, picking out caches for future weekend outings, and, of course, marking dates for geocaching souvenirs in our 2025 calendars!