This week we read in Parashat Noach

We are now in the Zera season

Bereshit 8:22 So long as the earth endures, Seedtime and harvest, Cold and heat, Summer and winter, Day and night Shall not cease.”

כבעֹד כָּל־יְמֵי הָאָרֶץ זֶרַע וְקָצִיר וְקֹר וָחֹם וְקַיִץ וָחֹרֶף וְיוֹם וָלַיְלָה לֹא יִשְׁבֹּתוּ׃

According to Rabbenu Hiirsch:

Genesis 8:2 Rav Hirsch page170 [Noach]

There are 6 seasons: 3 winter and 3 summer seasons

zera [beginning of the winter]: 15 Tishre-15 Kislev

choref [midwinter]:15Kislev-15 Shevat

kor [end of the winter]: 15 Shevat-15 Nisan

katzir [beginning of the summer]: 15 Nisan-15 Sivan

kayitz [midsummer]: 15 Sivan-15 AV

chom [ end of summer]: 15 AV-15 Tishre

About the Jewish calendar:

The Jewish Months: Approximate Secular Date

Nissan March–April Passover

Iyar April–May -Lag B’Omer

Sivan May–June Shavuot

Tammuz June–July 17 Tamuz [fast day]

Menachem Av July–August Tisha B’Av

Elul August–September

Tishrei September–October The High Holidays (Rosh Hashanah and Yom Kippur), Sukkot, Shmini Atzeret, and Simchat Torah

Marcheshvan October–November

Kislev November–December Chanukah

Tevet December–January Conclusion of Chanukah 10 Tevet fast-day

Shevat January–February Tu B’Shvat

Adar February–March Purim