How many time points are there in spring, summer, autumn and winter?

There are two kinds: Gregorian calendar and lunar calendar.

Gregorian calendar is: February, March and April are spring, May, June and July are summer, August, September and 65438+ October are autumn, 1 1, 12, 1 is winter;

Lunar calendar is: beginning of spring (around February 5th) is followed by spring, long summer (around May 5th) is followed by summer, beginning of autumn (around August 8th) is followed by autumn, and beginning of winter (around June 8th+065438+1October 8th) is followed by winter.