diff --git a/src/calendar/assets/calendar-base/skins/night/calendar-base-skin.css b/src/calendar/assets/calendar-base/skins/night/calendar-base-skin.css
index 84baba04739..cc7e896d26c 100644
--- a/src/calendar/assets/calendar-base/skins/night/calendar-base-skin.css
+++ b/src/calendar/assets/calendar-base/skins/night/calendar-base-skin.css
@@ -75,6 +75,18 @@
    margin-right:1em;
 }
 
+[dir="rtl"] .yui3-skin-night .yui3-calendar-left-grid,
+.yui3-skin-night [dir="rtl"] .yui3-calendar-left-grid {
+    margin-right: auto;
+    margin-left: 1em;
+}
+
 .yui3-skin-sam .yui3-calendar-right-grid {
    margin-left:1em;
 }
+
+[dir="rtl"] .yui3-skin-night .yui3-calendar-right-grid,
+.yui3-skin-night [dir="rtl"] .yui3-calendar-right-grid {
+    margin-left: auto;
+    margin-right: 1em;
+}
diff --git a/src/calendar/assets/calendar-base/skins/sam/calendar-base-skin.css b/src/calendar/assets/calendar-base/skins/sam/calendar-base-skin.css
index 2c7a03b8412..2dc4382d04e 100644
--- a/src/calendar/assets/calendar-base/skins/sam/calendar-base-skin.css
+++ b/src/calendar/assets/calendar-base/skins/sam/calendar-base-skin.css
@@ -73,10 +73,22 @@
    margin-right:1em;
 }
 
+[dir="rtl"] .yui3-skin-sam .yui3-calendar-left-grid,
+.yui3-skin-sam [dir="rtl"] .yui3-calendar-left-grid {
+    margin-right: auto;
+    margin-left: 1em;
+}
+
 .yui3-skin-sam .yui3-calendar-right-grid {
    margin-left:1em;
 }
 
+[dir="rtl"] .yui3-skin-sam .yui3-calendar-right-grid,
+.yui3-skin-sam [dir="rtl"] .yui3-calendar-right-grid {
+    margin-left: auto;
+    margin-right: 1em;
+}
+
 .yui3-skin-sam .yui3-calendar-day-highlighted {
     background-color: #DCDEF5;
 }