One year of human beings is equal to one day and night of the gods. A thousand such yugas is the day of brahma, so let's say four million years. So it's more than three million, or near four ye years for us. The next some very nice verses here. You havets thare.
Swami Sarvapriyananda teaches Chapter 8 (Verses 15-20) of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).