System.TimeZoneInfo.CreateLocal C# (CSharp) Method

		static TimeZoneInfo CreateLocal ()
		{
#if !FULL_AOT_DESKTOP
			if (IsWindows && LocalZoneKey != null) {
				string name = (string)LocalZoneKey.GetValue ("TimeZoneKeyName");
				if (name == null)
					name = (string)LocalZoneKey.GetValue ("StandardName"); // windows xp
				name = TrimSpecial (name);
				if (name != null)
					return TimeZoneInfo.FindSystemTimeZoneById (name);
			}
#endif

			var tz = Environment.GetEnvironmentVariable ("TZ");
			if (tz != null) {
				if (tz == String.Empty)
					return Utc;
				try {
					return FindSystemTimeZoneByFileName (tz, Path.Combine (TimeZoneDirectory, tz));
				} catch {
					return Utc;
				}
			}

			var tzFilePaths = new string [] {
				"/etc/localtime",
				Path.Combine (TimeZoneDirectory, "localtime")};

			foreach (var tzFilePath in tzFilePaths) {
				try {
					string tzName = null;
					if (!TryGetNameFromPath (tzFilePath, out tzName))
						tzName = "Local";
					return FindSystemTimeZoneByFileName (tzName, tzFilePath);
				} catch (TimeZoneNotFoundException) {
					continue;
				}
			}

			return Utc;
		}