Markandeya Purana — Adhyaya 46, Shloka 29
Adhyaya 46 — Cosmic Dissolution, the Emergence of Brahma, and the Measures of Time (Yugas, Manvantaras, and Brahma’s Day)
द्वापरं द्वे सहस्रे तु वर्षाणां द्वे शते तथा ।
तस्य सन्ध्या समाख्याता द्वे शताब्दे तदंशकः ॥
dvāparaṃ dve sahasre tu varṣāṇāṃ dve śate tathā | tasya sandhyā samākhyātā dve śatābde tadaṃśakaḥ ||
兜婆罗（Dvāpara）劫为两千天年，其交界亦为二百年。其曙暮期（sandhyā）宣说为二百年，其曙暮之分（sandhyāṃśa）亦同此数。
{ "primaryRasa": "shanta", "secondaryRasa": "karuna", "rasaIntensity": 0, "emotionalArcPosition": "", "moodDescriptors": [] }
FAQs
Decline of an age is measurable yet not fatalistic; the teaching implies that awareness of decline should intensify discipline and right conduct.
Chronological standardization supporting manvantara and vaṃśa accounts.
The shrinking junctions imply reduced ‘buffer zones’ for correction—symbolizing how later cycles allow less margin for error.