Astanga Hrudaya
प्रातः श्लेष्मणि, मध्याह्ने पित्ते, सायंनिशोश्चले। स्वस्थवृत्ते तु पूर्वाह्णे शरत्कालवसन्तयोः॥१४॥
Nasal medication should be administered in morning for Shleshma – increase of Kapha, during midday for pitta, in the evening or night for the healthy. During Sharath (Autumn) and Vasantha (Spring), it should be given in forenoon.
english translation
prAtaH zleSmaNi, madhyAhne pitte, sAyaMnizozcale। svasthavRtte tu pUrvAhNe zaratkAlavasantayoH॥14॥
hk transliteration by Sanscript