March 21st, 2023. "Spring equinox ", the 4th small Spring season arrives

      In 2023, the season of "Spring equinox" arrives on March 21st at 5:15 am China time zone (+8). That is 5:15 pm Eastern Time (-5 with daylight saving) on March 20th.

    Celestial longitude: 0 degree. For most of the seasonal information please read this article.