diff --git a/ayanova/src/api/relative-date-filter-calculator.js b/ayanova/src/api/relative-date-filter-calculator.js
index b9827b9f..862f8316 100644
--- a/ayanova/src/api/relative-date-filter-calculator.js
+++ b/ayanova/src/api/relative-date-filter-calculator.js
@@ -41,10 +41,20 @@ export default {
       throw "relative-date-filter-calculator: date token is null or empty";
     }
     //Luxon object: window.$gz.DateTime
+
+    //return object contains the two dates that encompass the time period
+    //the token represents to the local browser time zone but in UTC
+    //and iso8601 format
+    var ret = { after: undefined, before: undefined };
+
     var dtStart = new Date();
     var dtEnd = new Date();
     switch (token) {
       case "*yesterday*":
+        //Between Day before yesterday at midnight and yesterday at midnight
+        // dtAfter = RelativeToday.AddDays(-1);
+        // dtAfter = dtAfter.AddSeconds(-1);
+        // dtBefore = RelativeToday;//.AddDays(-1);
         break;
     }
 
@@ -56,7 +66,6 @@ export default {
 //LUXON MATH: https://moment.github.io/luxon/docs/manual/zones.html#math-across-dsts
 //https://moment.github.io/luxon/docs/manual/math.html
 
-
 // //###############################################################  OLD SERVER FILTERING CODE ##########################
 
 //                             //HOWEVER, if it's a relative date filter TOKEN like "nextMonth" then the users time zone offset will be taken into consideration