Shiva Purana
उतथ्यो वामदेवश्च महाकालो महा ऽनिलः ॥ वाचःश्रवाः सुवीरश्च श्यावकश्च यतीश्वरः ॥ १६ ॥
Utathya and Vāmadeva are the great times and the great wind. Vachashrava Suvira and Shyavaka the lord of the sages.
english translation
utathyo vAmadevazca mahAkAlo mahA 'nilaH ॥ vAcaHzravAH suvIrazca zyAvakazca yatIzvaraH ॥ 16 ॥
hk transliteration by Sanscript