The early childhood of Savitri as she is growing is described below. What is specially revealed to us is the setting and the forces that are at play in and around her.
In the second Canto we see the growth and development of the instrumental nature to receive and express the Higher Consciousness that Savitri has brought with her.
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.