diff --git a/src/appointment.js b/src/appointment.js
index 0b902b1..dbd69d1 100644
--- a/src/appointment.js
+++ b/src/appointment.js
@@ -7,7 +7,7 @@ const schedule = require("node-schedule");
 
 const mongoManager = new MongoManager();
 const SEVEN_DAYS_IN_S = 3600 * 24 * 7;
-const THIRTY_DAYS_IN_S = 3600 * 24 * 30;
+const NINETY_DAYS_IN_S = 3600 * 24 * 30 * 3;
 let excelUtil = new ExcelUtil();
 let collectionName = formatDate(new Date())
 device_to_excludes = ["47e7e36b", "e30eb015"]
@@ -33,7 +33,7 @@ async function filterAlreadyAccepteddContacts(contactList) {
                 console.log("=====handle already accepted item before booking====");
                 console.log("accepted_at is " + acceptedItem.accepted_at);
                 console.log("accepted email is " + acceptedItem.email);
-                needToBook = acceptedItem.accepted_at + THIRTY_DAYS_IN_S <= (new Date()) / 1000;
+                needToBook = acceptedItem.accepted_at + NINETY_DAYS_IN_S <= (new Date()) / 1000;
                 if (!needToBook) {
                     console.log("already accepted appointment --> skip");
                 }
@@ -100,7 +100,7 @@ async function needToBook(contact, mongoManager) {
                 console.log("=====handle already accepted item====");
                 console.log("accepted_at is " + acceptedItem.accepted_at);
                 console.log("accepted email is " + acceptedItem.email);
-                needToBook = acceptedItem.accepted_at + THIRTY_DAYS_IN_S <= (new Date()) / 1000;
+                needToBook = acceptedItem.accepted_at + NINETY_DAYS_IN_S <= (new Date()) / 1000;
                 if (!needToBook) {
                     console.log("already accepted appointment --> skip");
                 }