Astanga Hrudaya
अभ्यक्तस्नातमुचितात्पादहीनं हितं लघु। अस्निग्धरूक्षमशितं सानुपानं द्रवादि च॥२२॥
During cold season (Hemanta and Shishira Ritus) and Vasanta (spring) it should be given during day in other seasons during night.
english translation
abhyaktasnAtamucitAtpAdahInaM hitaM laghu। asnigdharUkSamazitaM sAnupAnaM dravAdi ca॥22॥
hk transliteration by Sanscript