Shiva Purana
कालकालः कृत्तिवासाः सुभगः प्रणवात्मकः ॥ उन्नध्रः पुरुषो जुष्यो दुर्वासाः पुरशासनः ॥ ८ ॥
Kalakala is the dwelling place of Kṛtti and is auspicious and consists of the oṁkāra. The unnadhra man is a sacrificial man who is difficult to dress and rules the city.
english translation
kAlakAlaH kRttivAsAH subhagaH praNavAtmakaH ॥ unnadhraH puruSo juSyo durvAsAH purazAsanaH ॥ 8 ॥
hk transliteration by Sanscript