diff --git a/3CX_TAPI.user.js b/3CX_TAPI.user.js
index 1915297..2a2aa61 100644
--- a/3CX_TAPI.user.js
+++ b/3CX_TAPI.user.js
@@ -853,8 +853,13 @@ class Availability {
             return;
         }
         var dotClass = entry.loggedIn ? 'tapi-dot-on' : 'tapi-dot-off';
-        var mockedTime = '13.04. 08:30';
-        indicator.innerHTML = '<span class="tapi-dot ' + dotClass + '"></span><small>' + mockedTime + '</small>';
+        var time = '';
+        if (entry.lastStamp) {
+            var d = new Date(entry.lastStamp);
+            var pad = (n) => n.toString().padStart(2, '0');
+            time = pad(d.getDate()) + '.' + pad(d.getMonth() + 1) + '. ' + pad(d.getHours()) + ':' + pad(d.getMinutes());
+        }
+        indicator.innerHTML = '<span class="tapi-dot ' + dotClass + '"></span><small>' + time + '</small>';
     }
     updateSquare(square) {
         var extension = square.dataset.tapiExtension;
diff --git a/client/src/availability-info.ts b/client/src/availability-info.ts
index 06a96ef..93ba93e 100644
--- a/client/src/availability-info.ts
+++ b/client/src/availability-info.ts
@@ -2,4 +2,5 @@ export class AvailabilityInfo {
   public user: string;
   public loggedIn: boolean;
   public extension: string;
+  public lastStamp: string;
 }
diff --git a/client/src/availability.ts b/client/src/availability.ts
index 275aadd..39cfdb0 100644
--- a/client/src/availability.ts
+++ b/client/src/availability.ts
@@ -65,8 +65,13 @@ export class Availability {
       return
     }
     var dotClass = entry.loggedIn ? 'tapi-dot-on' : 'tapi-dot-off'
-    var mockedTime = '13.04. 08:30'
-    indicator.innerHTML = '<span class="tapi-dot ' + dotClass + '"></span><small>' + mockedTime + '</small>'
+    var time = ''
+    if (entry.lastStamp) {
+      var d = new Date(entry.lastStamp)
+      var pad = (n: number) => n.toString().padStart(2, '0')
+      time = pad(d.getDate()) + '.' + pad(d.getMonth() + 1) + '. ' + pad(d.getHours()) + ':' + pad(d.getMinutes())
+    }
+    indicator.innerHTML = '<span class="tapi-dot ' + dotClass + '"></span><small>' + time + '</small>'
   }
 
   private updateSquare(square: HTMLElement) {
diff --git a/server/src/CPATapi.Server/Models/Availability.cs b/server/src/CPATapi.Server/Models/Availability.cs
index 73e295c..b8b8beb 100644
--- a/server/src/CPATapi.Server/Models/Availability.cs
+++ b/server/src/CPATapi.Server/Models/Availability.cs
@@ -11,4 +11,6 @@ public class Availability
     public bool LOGGED_IN { get; set; }
     [JsonPropertyName("extension")]
     public string? US_EXTENSION { get; set; }
+    [JsonPropertyName("lastStamp")]
+    public DateTime? LAST_STAMP { get; set; }
 }
diff --git a/server/src/CPATapi.Server/Repository/ZeitConsensRepository.cs b/server/src/CPATapi.Server/Repository/ZeitConsensRepository.cs
index 4772d1c..aea63f7 100644
--- a/server/src/CPATapi.Server/Repository/ZeitConsensRepository.cs
+++ b/server/src/CPATapi.Server/Repository/ZeitConsensRepository.cs
@@ -11,6 +11,7 @@ internal class ZeitConsensRepository(IConfiguration config) : Repository(config)
            ma.MA_USER_NAME
           ,bu.LOGGED_IN
           ,us.US_EXTENSION
+          ,buLastStamp.LAST_STAMP
         FROM dbo.MA_DATEN ma
         INNER JOIN projectmanagement.dbo.CP_USER us on us.US_LOGINNAME = ma.MA_USER_NAME
         OUTER APPLY (
@@ -20,6 +21,11 @@ internal class ZeitConsensRepository(IConfiguration config) : Repository(config)
           AND
           BU_BU >= @from AND BU_BU < @to
         ) bu
+        OUTER APPLY (
+          SELECT MAX(BU_BU) AS LAST_STAMP
+          FROM dbo.BU
+          WHERE bu.BU_MA_NR = ma.MA_NR
+        ) buLastStamp
         WHERE
           ma.MA_USER_AKTIV = 1
         """;