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Converters/UnixTimestampDateConverter.cs

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+using BinaryDad.Extensions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using System;
+
+namespace Salesforce.NET.Converters
+{
+    public class UnixTimestampDateConverter : DateTimeConverterBase
+    {
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (objectType == typeof(DateTime))
+            {
+                var milliseconds = reader.Value.To<long>();
+
+                var offset = DateTimeOffset.FromUnixTimeMilliseconds(milliseconds);
+
+                return offset.DateTime.ToLocalTime();
+            }
+
+            return existingValue;
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer) => throw new NotImplementedException();
+    }
+}