When moon is in Aries(in the stars Aswini, Bharani and Krittika - 1st Quarter), one should avoid any operation to head,ears,eyes,face and nose.On such a day if operation is done further complications will arise and the operation is done further complications will arise and the operation may not be successful. You can find whether Moon is in aries on a day by looking in to an Almanac(Panchanga)
