Shiva Purana
तस्मिन्साक्षाच्छिवेनैष कालात्मा सम्प्रवर्तते ॥ यत्तत्सृष्टेस्समाख्यातं कालान्तरमिह द्विजाः ॥ २६ ॥
The soul of time is directly manifested by Lord Śiva in that universe. O brāhmaṇas whatever has been described in this world about the time of its creation.
english translation
tasminsAkSAcchivenaiSa kAlAtmA sampravartate ॥ yattatsRSTessamAkhyAtaM kAlAntaramiha dvijAH ॥ 26 ॥
hk transliteration by Sanscript