Calendar._TT["SEL_DATE"] = "Select date";
Calendar._TT["DRAG_TO_MOVE"] = "Drag to move";
Calendar._TT["PART_TODAY"] = " (today)";
-Calendar._TT["MON_FIRST"] = "Display Monday first";
-Calendar._TT["SUN_FIRST"] = "Display Sunday first";
+
+// the following is to inform that "%s" is to be the first day of week
+// %s will be replaced with the day name.
+Calendar._TT["DAY_FIRST"] = "Display %s first";
+
+// This may be locale-dependent. It specifies the week-end days, as an array
+// of comma-separated numbers. The numbers are from 0 to 6: 0 means Sunday, 1
+// means Monday, etc.
+Calendar._TT["WEEKEND"] = "0,6";
+
Calendar._TT["CLOSE"] = "Close";
Calendar._TT["TODAY"] = "Today";
Calendar._TT["TIME_PART"] = "(Shift-)Click or drag to change value";
Calendar._TT["TT_DATE_FORMAT"] = "%a, %b %e";
Calendar._TT["WK"] = "wk";
+Calendar._TT["TIME"] = "Time:";