Shanbeh
Shanbeh () is the name of the first day of the week in the Solar Hijri calendar, mainly used in Iran and Afghanistan. It is equivalent to Sabbath on Saturday of the Gregorian Calendar. The name of the rest of the days of the week are: Yek-shanbeh = Sunday (); Dó-shanbeh = Monday (); Seh-shanbeh = Tuesday (); Chahār-shanbeh = Wednesday (); Panj-shanbeh = Thursday (); Jom'eh = Friday (), which is an Arabic word. The Persian equivalent is Ādīné . The modern Turkish names of Wednesday and Thursday, "çarşamba" and "perşembe", are derived from the "shanbeh" system.