Hadith.3094 - On the Day of Sacrifice, the Messenger of Allah (swt) (peace and blessings be upon him and his family) would shave his head, trim his nails, shorten his mustache, and take from the edges of his beard.
Man Lā Yaḥḍuruh al-Faqīh #310Hadith.312 - The Messenger of Allah (sw) said:
"Whoever trims their nails on Saturday and Thursday and trims their mustache will be...