Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 9
Sanskrit:
शतवर्षा ह्यनावृष्टिर्भविष्यत्युल्बणा भुवि ।तत्कालोपचितोष्णार्को लोकांस्त्रीन्प्रतपिष्यति ॥ ९ ॥
ITRANS:
śata-varṣā hy anāvṛṣṭirbhaviṣyaty ulbaṇā bhuvitat-kālopacitoṣṇārkolokāṁs trīn pratapiṣyati
Translation:
As cosmic annihilation approaches, a terrible drought takes place on earth for one hundred years. For one hundred years the heat of the sun gradually increases, and its blazing heat begins to torment the three worlds.