Shiva Purana
ब्राह्मे मुहूर्त्त उत्थाय शिरसि श्वेतपंकजे ॥ सहस्रारे समासीनं गुरुं संचितयेद्यतिः ॥ २ ॥
The ascetic shall get up in the Brāhma Muhūrta and think about the preceptor Śiva seated in the thousand-petalled lotus on the head.
english translation
brAhme muhUrtta utthAya zirasi zvetapaMkaje ॥ sahasrAre samAsInaM guruM saMcitayedyatiH ॥ 2 ॥
hk transliteration by Sanscript