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The basic Indian cycle of creation and destruction. According to the puranas and the astronomical texts one Chaturyuga consists of 43,20,000 solar years. Thousand Chaturyugas form a Kalpa, which is the larger cycle of creation and destruction, andis seen as a day of Brahma. The four Yugas comprising the Chaturyuga are: Krita, Treta, Dvapara and Kali.  

The basic Indian cycle of creation and destruction. According to the puranas and the astronomical texts one Chaturyuga consists of 43,20,000 solar years. Thousand Chaturyugas form a Kalpa, which is the larger cycle of creation and destruction, andis seen as a day of Brahma. The four Yugas comprising the Chaturyuga are: Krita, Treta, Dvapara and Kali.  

=== Krita  ===

=== Krita Yuga ===

The first Yuga of the Chaturyuga cycle. In this Yuga Dharma represented by the bull supporting the universe stands securely on all four legs. The four legs of Dharma are said to be Satya, Ahimsa, Daya, Dana, truth, non-injury, kindness and generosity, respectively, in rough translation. According to the calculations of the Puranas, the length of the Krita yuga is 17,28,000 years. But with the passage of time, the universe starts getting more and more complex. The innate order starts getting disturbed. Dharma starts getting weakened. And, towards the end of Krita, the creator has to take birth on earth in various forms to re-establish the dharma.

The first Yuga of the Chaturyuga cycle. In this Yuga Dharma represented by the bull supporting the universe stands securely on all four legs. The four legs of Dharma are said to be Satya, Ahimsa, Daya, Dana, truth, non-injury, kindness and generosity, respectively, in rough translation. According to the calculations of the Puranas, the length of the Krita yuga is 17,28,000 years. But with the passage of time, the universe starts getting more and more complex. The innate order starts getting disturbed. Dharma starts getting weakened. And, towards the end of Krita, the creator has to take birth on earth in various forms to re-establish the dharma.

=== Treta  ===

=== Treta Yuga ===

The second Yuga of the Chaturyuga cycle. In this Yuga the bull representing Dharma stands on three feet.

The second Yuga of the Chaturyuga cycle. In this Yuga the bull representing Dharma stands on three feet.

=== Dvapara  ===

=== Dvapara Yuga ===

The third of the four yugas of the Chaturyuga cycle. In this Yuga the bull representing dharma, that holds the earth, is left with only two feet. Dvapara in the current Chaturyuga begins with the ascendance of Srirama and ends with the ascendance of Srikrishna from the earth.

The third of the four yugas of the Chaturyuga cycle. In this Yuga the bull representing dharma, that holds the earth, is left with only two feet. Dvapara in the current Chaturyuga begins with the ascendance of Srirama and ends with the ascendance of Srikrishna from the earth.

=== Kali  ===

=== Kali Yuga ===

The fourth and the last Yuga of a Chaturyuga cycle. The current Kaliyuga began with the ascendance of Srikrishna from the earth after the Mahabharata war more than 5,000 years ago. Indian astronomical texts fix the time and date of the onset of current Kaliyuga either at the midnight of February 17/18 or the sunrise of February 18 of 3102 B.C., which is the Chaitra Sukla Pratipad of Vikrama Purva 3045 by the Indian calendar.

The fourth and the last Yuga of a Chaturyuga cycle. The current Kaliyuga began with the ascendance of Srikrishna from the earth after the Mahabharata war more than 5,000 years ago. Indian astronomical texts fix the time and date of the onset of current Kaliyuga either at the midnight of February 17/18 or the sunrise of February 18 of 3102 B.C., which is the Chaitra Sukla Pratipad of Vikrama Purva 3045 by the Indian calendar.