diff --git a/src/store/index.js b/src/store/index.js
index 5ab4f971a..40b58b856 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -614,7 +614,10 @@ function getTimeSlotsAdditionalEventData(
 ) {
     var numberOfDays = null;
     if (firstAvailableAppointmentDateString)
-        numberOfDays = getDateDifferenceInDays(new Date(), firstAvailableAppointmentDateString);
+        numberOfDays = getDateDifferenceInDays(
+            new Date().toISOString().split("T")[0],
+            firstAvailableAppointmentDateString
+        );
 
     if (shopAppointmentType)
         return `FirstAvailableAppointment:${numberOfDays},Zip:${zipCode},ShopAppointmentType:${shopAppointmentType},ProvisionalTriggers:${provisionalTriggers.join(