Benefits from the narration of Anas Ibn Maalik (may Allah be pleased him):
The time frame given to us to shorten the mustache, clip the nails, pluck the hairs of the armpit, and shave the pubic hairs is that we are not to leave it off for more than forty days.
Source: Saheeh Muslim, Musnad Ahmad, Sunan Abi Daawud and others
Translated by Abu Yusuf Khaleefah
29th of Jumaada ath-Thaani, 1436 H (04-18-2015)
Masjid Nur Allah, Queens, NYC