Shiva Purana
तेन तृतीययामस्य तद्रात्रौ तस्य भाग्यतः ॥ पूजा जाता शिवस्यैव कृपालुत्वं प्रदर्शितम् ॥ ५३॥
In view of this, the worship of the third part of that night became realised due to his good fortune. Śiva’s merciful nature was evident in this.
english translation
tena tRtIyayAmasya tadrAtrau tasya bhAgyataH ॥ pUjA jAtA zivasyaiva kRpAlutvaM pradarzitam ॥ 53॥
hk transliteration by Sanscript