diff --git a/src/calc/Calc.js b/src/calc/Calc.js
index 65d228b..5dee95e 100644
--- a/src/calc/Calc.js
+++ b/src/calc/Calc.js
@@ -274,7 +274,7 @@ exports.relativeDate = function( data, value )
 
             // days
             case 'd':
-                date_new.setDate( date_new.getDate() + +tval );
+                date_new.setDate( date_new.getUTCDate() + +tval );
                 break;
 
             // seconds
diff --git a/test/calc/CalcTest.js b/test/calc/CalcTest.js
index c7338d4..dbec665 100644
--- a/test/calc/CalcTest.js
+++ b/test/calc/CalcTest.js
@@ -64,7 +64,7 @@ describe( 'relativeDate', function()
             .to.have.all.members( ['2019-02-28'] );
     });
 
-    it( 'assert ege case february leap year', function()
+    it( 'assert edge case february leap year', function()
     {
         expect( relativeDate( ['2019-12-31'], ['2m'] ) )
             .to.have.all.members( ['2020-02-29'] );