Concerning the Umrah
In the same way that there are obligatory (fardh) salaats, which must be, said at specific times and some voluntary (nafl) salaats for the devoted to present himself in Allah’s presence when he so desires. There is a specific time when it is compulsory to present himself at the Home of Allah for Haj and also a time when in a voluntary manner he may perform some of the acts which are also performed in Haj by performing umrah. Apart form five days (when it is makrooh from the 9th to 13th Zil Haj) umrah may be performed at any time during the year.