{"ok":true,"data":{"from":{"iso":"2026-03-20","jalali":"1404/12/29","jalali_long":"جمعه ۲۹ اسفند ۱۴۰۴","hijri":"۱ شوال ۱۴۴۷","gregorian":"۲۰ مارس ۲۰۲۶","weekday":"جمعه","business_day":false,"weekend":true,"holiday":true,"uncertain":false,"season":"زمستان","quarter":4,"day_of_year":365,"events":[{"title":"روز ملی شدن صنعت نفت","holiday":true,"kind":"solar","status":"official"},{"title":"پایان سال مالی","holiday":false,"kind":"finance","status":"fixed"},{"title":"عید سعید فطر","holiday":true,"kind":"lunar","status":"predicted"}]},"convention":"modified_following","result":{"iso":"2026-03-19","jalali":"1404/12/28","jalali_long":"پنجشنبه ۲۸ اسفند ۱۴۰۴","hijri":"۳۰ رمضان ۱۴۴۷","gregorian":"۱۹ مارس ۲۰۲۶","weekday":"پنجشنبه","business_day":true,"weekend":false,"holiday":false,"uncertain":false,"season":"زمستان","quarter":4,"day_of_year":364,"events":[],"moved_days":-1}},"meta":{"engine":"iof-calendar","version":"1.1.0","timezone":"Asia/Tehran","lunar_basis":"islamic-civil (predicted ±1 day unless official)","official_lunar_years":[]}}