I shall, in their order, tell you the number of years, that are for different purposes calculated differently, in the Krita, the Treta, the Dvapara, and the Kali Yugas.
पृथक् संवत्सराग्राणि प्रवक्ष्याम्यनुपूर्वशः। कृते त्रेतायुगे चैव द्वापरे च कलौ तथा॥