diff --git a/Packs/CommonScripts/ReleaseNotes/1_20_17.md b/Packs/CommonScripts/ReleaseNotes/1_20_17.md
new file mode 100644
index 000000000000..be12b928f35b
--- /dev/null
+++ b/Packs/CommonScripts/ReleaseNotes/1_20_17.md
@@ -0,0 +1,6 @@
+
+#### Scripts
+
+##### FormatURL
+
+Fixed an issue where the CalculateTimeDifference script failed to parse inputs with an explicit timezone.
diff --git a/Packs/CommonScripts/Scripts/CalculateTimeDifference/CalculateTimeDifference.js b/Packs/CommonScripts/Scripts/CalculateTimeDifference/CalculateTimeDifference.js
index 09795c61783b..af8d49387deb 100644
--- a/Packs/CommonScripts/Scripts/CalculateTimeDifference/CalculateTimeDifference.js
+++ b/Packs/CommonScripts/Scripts/CalculateTimeDifference/CalculateTimeDifference.js
@@ -1,32 +1,7 @@
-  function isValidTimestampFormat(timestamp) {
-    //  the valid Timestamp Format is in ISO 8601 "yyyy-MM-dd'T'HH:mm:ss" for example : 2020-01-01T00:01:00
-      const regex = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}$/;
-      return regex.test(timestamp);
-  }
-
-
-  try {
-
+ try {
       var start_time = args.start_time.replace(/"/g, "");
       var end_time = args.end_time.replace(/"/g, "");
 
-      // Validate params format
-      if (!isValidTimestampFormat(start_time)) {
-          return {
-              ContentsFormat: formats.markdown,
-              Type: entryTypes.error,
-              Contents: "start_time argument does not match format '%Y-%m-%dT%H:%M:%S'"
-          };
-      }
-
-      if (!isValidTimestampFormat(end_time)) {
-          return {
-              ContentsFormat: formats.markdown,
-              Type: entryTypes.error,
-              Contents: "end_time argument does not match format '%Y-%m-%dT%H:%M:%S'"
-          };
-      }
-
       // Strip microseconds and parse the datetime
       var startTimeObj = new Date(start_time.split(".")[0]);
       var endTimeObj = new Date(end_time.split(".")[0]);
diff --git a/Packs/CommonScripts/pack_metadata.json b/Packs/CommonScripts/pack_metadata.json
index 81e5868907fd..5f7b08fe220f 100644
--- a/Packs/CommonScripts/pack_metadata.json
+++ b/Packs/CommonScripts/pack_metadata.json
@@ -2,7 +2,7 @@
     "name": "Common Scripts",
     "description": "Frequently used scripts pack.",
     "support": "xsoar",
-    "currentVersion": "1.20.16",
+    "currentVersion": "1.20.17",
     "author": "Cortex XSOAR",
     "url": "https://www.paloaltonetworks.com/cortex",
     "email": "",