What's the difference between seasons and seasons?

There is a difference between seasons and seasons.

Quarters are divided by Gregorian calendar months. The first quarter is 1-2-3, the second quarter is 4-5-6, the third quarter is 7-8-9, and the fourth quarter is10-12. Usually, it is used for reporting or in a more formal environment.

. . The four seasons are divided according to the solar terms of the lunar calendar. From spring to spring is spring, from long summer to summer solstice is summer, from autumn to autumn, from winter to winter solstice is winter. Or the four seasons stipulated by various countries, which has a wide range of application.