Iran holds a world record as far as of non working days (132 yearly, week-ends incl.).
It is advisable to double check before undertaking a business trip. สุดสัปดาห์: วันพฤหัสบดีและวันศุกร์
Armenian (6 million speakers), Azeri (10 million speakers), Farsi (45 million speakers), Kurdish (20 million speakers), 버나큘라 어, Pashtu(18 million speakers) ... ติดต่อ EDIT!