3 files changed, 3 insertions, 0 deletions
diff --git a/library/tzdata/Antarctica/Casey b/library/tzdata/Antarctica/Casey
index 6d383f3..053da4c 100644
--- a/library/tzdata/Antarctica/Casey
+++ b/library/tzdata/Antarctica/Casey
@@ -3,4 +3,5 @@
 set TZData(:Antarctica/Casey) {
     {-9223372036854775808 0 0 zzz}
     {-31536000 28800 0 WST}
+    {1255802400 39600 0 CAST}
 }
diff --git a/library/tzdata/Antarctica/Davis b/library/tzdata/Antarctica/Davis
index f4b7282..3c4ab7b 100644
--- a/library/tzdata/Antarctica/Davis
+++ b/library/tzdata/Antarctica/Davis
@@ -5,4 +5,5 @@ set TZData(:Antarctica/Davis) {
     {-409190400 25200 0 DAVT}
     {-163062000 0 0 zzz}
     {-28857600 25200 0 DAVT}
+    {1255806000 18000 0 DAVT}
 }
diff --git a/library/tzdata/Antarctica/Mawson b/library/tzdata/Antarctica/Mawson
index 1f0c3fe..ba03ba1 100644
--- a/library/tzdata/Antarctica/Mawson
+++ b/library/tzdata/Antarctica/Mawson
@@ -3,4 +3,5 @@
 set TZData(:Antarctica/Mawson) {
     {-9223372036854775808 0 0 zzz}
     {-501206400 21600 0 MAWT}
+    {1255809600 18000 0 MAWT}
 }