Spring

A time or season of growth or development; specifically: the season between winter and summer comprising in the northern hemisphere usually the months of March, April, and May or as reckoned astronomically extending from the March equinox to the June solstice –...

Winter

The season between autumn and spring comprising in the northern hemisphere usually the months of December, January, and February or as reckoned astronomically extending from the December solstice to the March equinox. – source...

Summer

The season between spring and autumn comprising in the northern hemisphere usually the months of June, July, and August or as reckoned astronomically extending from the June solstice to the September equinox. – source...