The prayer times in our practice are based on the calendar named 1334 [AD 1916] (İlmiyye sâl nâmesi) prepared by the highest rank of Ottoman scholars (Meşîhat-i İslâmiyye) and the calendar dated 1958 and numbered 14 of Istanbul University Kandilli Observatory (Türkiye Mahsûs Evkât). It is calculated according to the methods in the book (Şeriyye).After installing our application, when a City or District is selected, 1 years time of the selected place is uploaded to the device.Important Warning: All prayer times are correct, and information about the different times is available in the links below.http://turktakvim.com/pdf/MuhimAciklama.TT.pdfhttp://turktakvim.com/index.php?link=html/sual-cevab/Farkli_Takvimler_TR.html