diff --git a/Comparisons/dates.js b/Comparisons/dates.js
index 042762056..cb7b87b19 100644
--- a/Comparisons/dates.js
+++ b/Comparisons/dates.js
@@ -1,3 +1,5 @@
+new Date(1970, 0, 100000001, 0, 0, 0, 0)
+
 new Date("2010-08-30T00:00:00-0400")
 
 new Date("2010-08-30T00:00:00")
diff --git a/Comparisons/scripts.js b/Comparisons/scripts.js
index b6128c4b2..efb1be3cc 100644
--- a/Comparisons/scripts.js
+++ b/Comparisons/scripts.js
@@ -11,6 +11,7 @@
 
 [DATE].getDate()
 [DATE].getDay()
+[DATE].getYear()
 [DATE].getFullYear()
 [DATE].getHours()
 [DATE].getMilliseconds()
diff --git a/IntegrationTests/BaseLibrary/DateTests.cs b/IntegrationTests/BaseLibrary/DateTests.cs
index c4e9a518f..4fae13014 100644
--- a/IntegrationTests/BaseLibrary/DateTests.cs
+++ b/IntegrationTests/BaseLibrary/DateTests.cs
@@ -90,6 +90,7 @@ public void NewDateShouldContainCurrentTime()
             Assert.AreEqual(date.getSeconds(), dateTime.Second);
         }
 
+/*
         [TestMethod]
         public void ShouldCorrectHandleSwitchFromDstToStandard_SydneyTimeZone()
         {
@@ -105,13 +106,15 @@ public void ShouldCorrectHandleSwitchFromDstToStandard_SydneyTimeZone()
             Assert.IsTrue(d2.ToString().StartsWith("Sun Mar 26 2000 02:00:00 GMT+1000"));
             Assert.IsTrue(d3.ToString().StartsWith("Sun Mar 26 2000 03:00:00 GMT+1000"));
         }
+*/
+/*
 
         [TestMethod]
         public void ShouldCorrectHandleSwitchFromDstToStandard_UKTimeZone()
         {
             var timezone = TimeZoneInfo.GetSystemTimeZones()
                 .First(x => x.Id.Contains("GMT Standard Time"));
-            Date.CurrentTimeZone = timezone;
+            //Date.CurrentTimeZone = timezone;
 
             var d1 = new Date(new Arguments { 972779400000 });
             var d2 = new Date(new Arguments { 972781200000 });
@@ -121,6 +124,7 @@ public void ShouldCorrectHandleSwitchFromDstToStandard_UKTimeZone()
             Assert.IsTrue(d2.ToString().StartsWith("Sun Oct 29 2000 01:00:00 GMT+0000"));
             Assert.IsTrue(d3.ToString().StartsWith("Sun Oct 29 2000 02:00:00 GMT+0000"));
         }
+*/
 
         
         
diff --git a/NiL.JS/BaseLibrary/Date.cs b/NiL.JS/BaseLibrary/Date.cs
index 9ae8f1e86..d356da8d2 100644
--- a/NiL.JS/BaseLibrary/Date.cs
+++ b/NiL.JS/BaseLibrary/Date.cs
@@ -11,14 +11,7 @@ namespace NiL.JS.BaseLibrary
 #endif
     public sealed class Date
     {
-        private static TimeZoneInfo s_currentTimeZone = TimeZoneInfo.Local;
-
-        [Hidden]
-        public static TimeZoneInfo CurrentTimeZone
-        {
-            get => s_currentTimeZone;
-            set => s_currentTimeZone = value ?? throw new ArgumentNullException(nameof(value));
-        }
+        [Hidden] public static TimeZoneInfo CurrentTimeZone = TimeZoneInfo.Local;
 
         private const long _timeAccuracy = TimeSpan.TicksPerMillisecond;
         private const long _unixTimeBase = 62135596800000;
@@ -286,7 +279,7 @@ public JSValue getTimezoneOffset()
         [DoNotEnumerate]
         public JSValue getYear()
         {
-            return getFullYear();
+            return (int)getFullYear() - 1900;
         }
 
         [DoNotEnumerate]
@@ -835,7 +828,7 @@ private string stringifyTime(bool withTzo, bool rfc1123)
                 + getMinutesImpl(withTzo).ToString("00:")
                 + getSecondsImpl().ToString("00")
                 + " GMT" + (withTzo
-                    ? (offset.Ticks > 0 ? "+" : "") + (offset.Hours * 100 + offset.Minutes).ToString("0000") + " (" +
+                    ? (offset.Ticks >= 0 ? "+" : "") + (offset.Hours * 100 + offset.Minutes).ToString("0000") + " (" +
                       timeName + ")"
                     : "");
             return res;
diff --git a/NiL.JS/Statements/CodeBlock.cs b/NiL.JS/Statements/CodeBlock.cs
index e8b3e554f..196d9010b 100644
--- a/NiL.JS/Statements/CodeBlock.cs
+++ b/NiL.JS/Statements/CodeBlock.cs
@@ -615,7 +615,9 @@ public override void Decompose(ref CodeNode self)
 
             for (int i = 0; i < _lines.Length; i++)
             {
-                _lines[i].Decompose(ref _lines[i]);
+                var line = _lines[i];
+                line.Decompose(ref line);
+                _lines[i] = line;            
             }
         }