diff --git a/functions/statusCallback.protected.ts b/functions/statusCallback.protected.ts
index 067f99f..362a1e5 100644
--- a/functions/statusCallback.protected.ts
+++ b/functions/statusCallback.protected.ts
@@ -1,6 +1,7 @@
 import { ServerlessFunctionSignature } from '@twilio-labs/serverless-runtime-types/types';
 import { InsertParams, StatusCallbackServerlessEventObject, TwilioEnvironmentVariables } from './types/interfaces';
 import { connect, config, Request } from 'mssql';
+import moment from 'moment';
 
 const constructRequest = (request: Request, params: InsertParams) => {
   const columns = Object.keys(params).join(", ")
@@ -19,7 +20,7 @@ export const handler: ServerlessFunctionSignature<TwilioEnvironmentVariables, St
     const callerNumber = event.From
     const logFileName = decodeURIComponent(event.request.cookies.logFileName) // Could be 'null' if the call was terminated too early
     const callStartTimestamp = decodeURIComponent(event.request.cookies.callStartTimestamp)
-    const callEndTimestamp = event.Timestamp
+    const callEndTimestamp = moment(event.Timestamp, 'ddd, DD MMM YYYY HH:mm:ss ZZ').format("YYYY-MM-DD HH:mm:ss Z")
     const callDurationInSeconds = event.CallDuration
 
     const serverConfig: config = {
diff --git a/functions/transcribe.protected.ts b/functions/transcribe.protected.ts
index e5b87db..f7ae248 100644
--- a/functions/transcribe.protected.ts
+++ b/functions/transcribe.protected.ts
@@ -21,7 +21,7 @@ export const handler: ServerlessFunctionSignature<TwilioEnvironmentVariables, Co
       "Hey! I'm HillingdonLex, a chatbot created to help the residents of Hillingdon. What would you like to talk about today? I could help you order recycling bags, report a street that needs cleaning, request a housing repair or make an adult social care query among other things."
     );
 
-    const callStartTimestamp = encodeURIComponent(moment().utc().format('ddd, DD MMM YYYY HH:mm:ss ZZ'));
+    const callStartTimestamp = encodeURIComponent(moment().utc().format("YYYY-MM-DD HH:mm:ss Z"));
 
     response.setCookie('initiated', "true", ['Path=/']);
     response.setCookie('callStartTimestamp', callStartTimestamp, ['Path=/']);