diff --git a/src/i18n/sk-SK.js b/src/i18n/sk-SK.js
index 310f8ad5..bba04e32 100644
--- a/src/i18n/sk-SK.js
+++ b/src/i18n/sk-SK.js
@@ -50,18 +50,18 @@ Date.CultureStrings["sk-SK"] = {
         "October": "október",
         "November": "november",
         "December": "december",
-        "Jan_Abbr": "I",
-        "Feb_Abbr": "II",
-        "Mar_Abbr": "III",
-        "Apr_Abbr": "IV",
-        "May_Abbr": "V",
-        "Jun_Abbr": "VI",
-        "Jul_Abbr": "VII",
-        "Aug_Abbr": "VIII",
-        "Sep_Abbr": "IX",
-        "Oct_Abbr": "X",
-        "Nov_Abbr": "XI",
-        "Dec_Abbr": "XII",
+        "Jan_Abbr": "jan",
+        "Feb_Abbr": "feb",
+        "Mar_Abbr": "mar",
+        "Apr_Abbr": "apr",
+        "May_Abbr": "máj",
+        "Jun_Abbr": "jún",
+        "Jul_Abbr": "júl",
+        "Aug_Abbr": "aug",
+        "Sep_Abbr": "sep",
+        "Oct_Abbr": "okt",
+        "Nov_Abbr": "nov",
+        "Dec_Abbr": "dec",
         "AM": "",
         "PM": "",
         "firstDayOfWeek": 1,