diff --git a/src/Tomlyn.Tests/BasicTests.cs b/src/Tomlyn.Tests/BasicTests.cs
index d8c742d..06f86db 100644
--- a/src/Tomlyn.Tests/BasicTests.cs
+++ b/src/Tomlyn.Tests/BasicTests.cs
@@ -38,6 +38,21 @@ public void TestHelloWorld()
             Assert.AreEqual(new TomlArray() { 4, 5, 6 }, list);
         }
 
+        [Test]
+        [TestCase(7, 32, 0, 0)]
+        [TestCase(7, 32, 0, 999)]
+        [TestCase(0, 32, 0, 0)]
+        public void TestLocalTime(int hour, int minute, int second, int millisecond)
+        {
+            var toml = $@"time = {hour:D2}:{minute:D2}:{second:D2}.{millisecond:D3}";
+            var localTime = (TomlDateTime)Toml.ToModel(toml)["time"];
+
+            Assert.AreEqual(hour, localTime.DateTime.Hour);
+            Assert.AreEqual(minute, localTime.DateTime.Minute);
+            Assert.AreEqual(second, localTime.DateTime.Second);
+            Assert.AreEqual(millisecond, localTime.DateTime.Millisecond);
+        }
+
         [Test]
         public void TestHelloWorldWithCustomModel()
         {
diff --git a/src/Tomlyn/Parsing/Lexer.cs b/src/Tomlyn/Parsing/Lexer.cs
index c10a4d3..5497851 100644
--- a/src/Tomlyn/Parsing/Lexer.cs
+++ b/src/Tomlyn/Parsing/Lexer.cs
@@ -525,7 +525,7 @@ private void ReadNumberOrDate(char32? signPrefix = null, TextPosition? signPrefi
                     previousCharIsDigit = _c == '0';
                     if (previousCharIsDigit)
                     {
-                        _textBuilder.Append(_c);
+                        _textBuilder.Append((char)_c);
                         zeroDigit++;
                     }
                     end = _position;