Perihelion Day 2025 Corvette. This year perihelion is today, january 4, at 13:28 utc, only a few hours before this. Mark your calendars for january 4, 2025, as earth reaches its closest point to the sun, a phenomenon known as perihelion day.

At that point in its orbit, the earth is over 91 million from the sun, a difference of about three. Perihelion represents the point in the earth’s orbit when it is closest to the sun.