Is Fasting on Al-Isra and Shab-e-Barat Permissible?
Fasting on the day of al-Isra and al-Mi`raj or the day of Shab-e-Barat is not permissible and comes under the heading of bid`ah. If these days coincide with Mondays or Thursdays, there is nothing wrong with fasting them with the intention of fasting on Monday or Thursday.
254,425