Shiva Purana
भानुः पूर्वदले पूज्यो दक्षिणे चतुराननः ॥ रुद्रो वरुणदिक्पत्रे विष्णुरुत्तरदिग्दले ॥ २५ ॥
The sun shall be worshipped in the eastern, Brahmā in the southern, Rudra in the western and Viṣṇu in the northern petal.
english translation
bhAnuH pUrvadale pUjyo dakSiNe caturAnanaH ॥ rudro varuNadikpatre viSNuruttaradigdale ॥ 25 ॥
hk transliteration by Sanscript