אַתָּ֣ה הִ֭צַּבְתָּ כָּל־גְּבוּל֣וֹת אָ֑רֶץ קַ֥יִץ וָ֝חֹ֗רֶף אַתָּ֥ה יְצַרְתָּם׃
Thou hast set all the borders of the earth; Thou hast made summer and winter.
Rashi on Psalms
You set for them all the boundaries of their land with all good.
Rashi on Psalms
summer and winter—You formed them This is similar to (Jer. 5:24): “the weeks of the laws of harvest He keeps for us.” You did not alter for us the order of the years.