What is described now is the birth of Savitri which is indeed a very special moment, a divine moment so to say since it is the birth of the Divine upon earth.
Sri Aurobindo introduces us to the joy that is born with the spring as if it was an indication of the advent of a greater love that is to manifest upon earth.
This beautiful passage describes vividly the seasons and their significance as stages of earth’s preparation for the change and also the seasons of life.