Persian/Iranian Calendar  
Persian/Iranian Calendar with Gregorian Calendar

The Persian Calendar is an useful app that has the features of : Persian to Gregorian Date Conversion, Gregorian to Persian Date Conversion, Daily Prayer Time, Monthly Prayer Time, Athan, The Quran Recitation, App Widget to show the recent prayer times on home screen, Location & Method based prayer time settings, Direct Jump to another year of calendar (tap on the month title for 3 seconds).