The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere. On the equator, the sun will be directly overhead at noon. Equinoxes are the only time when both the north and south poles are lit by sunshine at the same time.

The Vernal Equinox or Spring Equinox will be observed at 09:01 UTC (2:31 pm IST) on March 20, 2025. As per NASA, “In 2025, the equinoxes will occur on March 20, at exactly 09:01 UTC (or 2:01 AM PDT), and again on September 22, at 19:19 UTC (or 11:19 AM PDT).” It will see the transition from winter to spring as the Sun crosses the celestial equator.