Shiva Purana
संवत्सरकरो मंत्रः प्रत्ययः सर्वतापनः ॥ अजः सर्वेश्वरस्सिद्धो महातेजा महाबलः ॥ ३८॥
The mantra that causes the year is the conviction that burns all. He is unborn Lord of all perfect and effulgent and mighty.
english translation
saMvatsarakaro maMtraH pratyayaH sarvatApanaH ॥ ajaH sarvezvarassiddho mahAtejA mahAbalaH ॥ 38॥
hk transliteration by Sanscript