What is the vernal equinox in 2022?

1.The solar terms of the spring equinox in 2022 are 23: 29 on March 20th, 2022 in Gregorian calendar and February18th in lunar calendar.

The vernal equinox is the fourth traditional solar term. On this day, the time of day and night is equal. The sun shines directly at the equator of the earth, at which time the longitude of the sun is 0 degrees.

3. In ancient times, the vernal equinox was also called "Japan-China", "Day-Night Equinox" and "Midspring Moon", because in ancient times, 90 days between beginning of spring and Changchun were divided into spring, and the vernal equinox just divided these 90 days.