diff --git a/dmmain.py b/dmmain.py
index d29c8a3..2601728 100644
--- a/dmmain.py
+++ b/dmmain.py
@@ -5,10 +5,14 @@ import time
 from pprint import pprint
 
 from pymongo import MongoClient
+from zoneinfo import ZoneInfo
 
 client = MongoClient()
 
-now = datetime.datetime.utcnow
+
+def now():
+    return datetime.datetime.now(ZoneInfo("America/Argentina/Buenos_Aires"))
+
 
 db = client.deskmeter
 switches = db.switch
@@ -72,25 +76,41 @@ def desktop(workspace_index):
 
 current_workspace = active_workspace()
 current_task = read_and_extract(task_file)
-
 last_switch_time = now()
 
-while True:
-    if current_workspace != active_workspace():
-        delta = round((now() - last_switch_time).total_seconds())
+switch = {
+    "workspace": desktop(current_workspace),
+    "date": now(),
+    "delta": 0,
+    "task": current_task,
+}
+
+switches.insert_one(switch)
+
+while True:
+    current_task = read_and_extract(task_file)
+    current_workspace = active_workspace()
+
+    last_doc = switches.find_one(sort=[("_id", -1)])
+    if (
+        last_doc["workspace"] == desktop(current_workspace)
+        and last_doc["task"] == current_task
+    ):
+        delta = round((now() - last_switch_time).total_seconds())
+        switches.update_one(
+            {"_id": last_doc["_id"]}, {"$set": {"delta": delta, "task": current_task}}
+        )
+    else:
+        time.sleep(2)
+        current_workspace = active_workspace()
 
-        # task = ""
-        # if current_workspace in [0, 1, 2]:
         switch = {
             "workspace": desktop(current_workspace),
-            "date": last_switch_time,
-            "delta": delta,
+            "date": now(),
+            "delta": 0,
             "task": current_task,
         }
-
         switches.insert_one(switch)
-        current_workspace = active_workspace()
-        current_task = read_and_extract(task_file)
         last_switch_time = now()
 
     time.sleep(2)