Summer Mer Solstice 2025 Date India. On the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial. In ancient cultures, the solstice.

This page provides date and local time for summer solstice in the year 2025 for chennai, tamil nadu, india. This event marks the sun’s northernmost position in relation to earth’s equator, according to nasa.