The flag of Afghanistan ( Pashto : د افغانستان بيرغ ; Persian : پرچم افغانستان ) was adopted by the Afghan Interim Administration on December 22 , 2001 .
The flag of Afghanistan ( Persian : بيرق افغانستان , Pashto : د افغانستان بيرغ ) started to be used on January 4 , 2004 .