diff --git a/htdocs/langs/vi_VN/main.lang b/htdocs/langs/vi_VN/main.lang
index 7c554f803a4..be80241bf8a 100644
--- a/htdocs/langs/vi_VN/main.lang
+++ b/htdocs/langs/vi_VN/main.lang
@@ -8,19 +8,19 @@ FONTFORPDF=DejaVuSans
 FONTSIZEFORPDF=10
 SeparatorDecimal=.
 SeparatorThousand=,
-FormatDateShort=%m/%d/%Y
-FormatDateShortInput=%m/%d/%Y
-FormatDateShortJava=MM/dd/yyyy
-FormatDateShortJavaInput=MM/dd/yyyy
-FormatDateShortJQuery=mm/dd/yy
-FormatDateShortJQueryInput=mm/dd/yy
+FormatDateShort=%d/%m/%Y
+FormatDateShortInput=%d/%m/%Y
+FormatDateShortJava=dd/MM/yyyy
+FormatDateShortJavaInput=dd/MM/yyyy
+FormatDateShortJQuery=dd/mm/yy
+FormatDateShortJQueryInput=dd/mm/yy
 FormatHourShortJQuery=HH:MI
 FormatHourShort=%I:%M %p
 FormatHourShortDuration=%H:%M
 FormatDateTextShort=%b %d, %Y
 FormatDateText=%B %d, %Y
-FormatDateHourShort=%m/%d/%Y %I:%M %p
-FormatDateHourSecShort=%m/%d/%Y %I:%M:%S %p
+FormatDateHourShort=%d/%m/%Y %I:%M %p
+FormatDateHourSecShort=%d/%m/%Y %I:%M:%S %p
 FormatDateHourTextShort=%b %d, %Y, %I:%M %p
 FormatDateHourText=%B %d, %Y, %I:%M %p
 DatabaseConnection=Kết nối cơ sở dữ liệu