All the year round, namely, spring, summer, autumn and winter. Although it is said to be 12÷4, the first quarter did not start from 65438+ 10. "Yangchun March", spring, that is, the first quarter begins in March.

The first quarter: spring-March to May (92 days)

The second quarter: summer-June to August (92 days)

The third quarter: autumn-September to165438+1October (9 1 day)

The fourth quarter: winter-65438+February to February (90 days or 9 1 day)

I hope my answer can help you.