Holiday System (#3122)

Content.Server/Holiday/ShouldCelebrate/ChineseNewYear.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Globalization;
+using Content.Server.Holiday.Interfaces;
+
+namespace Content.Server.Holiday.ShouldCelebrate
+{
+    public class ChineseNewYear : IHolidayShouldCelebrate
+    {
+        public bool ShouldCelebrate(DateTime date, HolidayPrototype holiday)
+        {
+            var chinese = new ChineseLunisolarCalendar();
+            var gregorian = new GregorianCalendar();
+
+            var chineseNewYear = chinese.ToDateTime(date.Year, 1, 1, 0, 0, 0, 0);
+
+            return date.Day == chineseNewYear.Day && date.Month == chineseNewYear.Month;
+        }
+    }
+}