ArmanNS PersianDateTimeHelper by: ArmanNS .NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher. 406 total downloads last updated 6/2/2026 Latest version: 1.0.3 Iran Persian Jalali Shamsi Holiday WorkingHours Calendar DateTime تقویم تعطیلات A comprehensive .NET library for Persian (Jalali/Shamsi) calendar operations — holiday detection, working hours, overtime calculation, and Persian date utilities.