Satya Yuga in Hinduism is the golden age. It is the first of four yugas in a Kalpa as per cosmogony in Hindu religion. A kalpa is divided in Satya, Treta, Dwapara and Kali. Satya Yuga is also known as Krita Yuga.
Satya Yuga is 4,800 years of gods. A year of god is equal to 360 years of man. Satya Yuga lasts for 1.728 million years.
In Satya Yuga, Dharma is in full strength.
Age of an average human being is 400 years.
The main form of worship is Tapas – intense meditation on the Supreme Truth.
As per Vayu Purana, the main deity worshipped during the Yuga is Brahma.
As Dharma is followed, there is no inequality. There is only peace and prosperity in Satya Yuga.