diff --git a/controller.py b/controller.py
index 44291099..3da24fb5 100644
--- a/controller.py
+++ b/controller.py
@@ -3,8 +3,9 @@
 from fastapi.responses import HTMLResponse
 from typing import List, Dict
 import asyncio
-import time
+
 from datetime import datetime
+import pytz
 import logging
 from fastapi.templating import Jinja2Templates
 import traceback
@@ -28,11 +29,13 @@
 stream_logs = logging.StreamHandler()
 stream_logs.setLevel(logging.INFO)
 
+france_tz = pytz.timezone("Europe/Paris")
+
 
 @app.post("/outages/", status_code=201)
 async def create_outage(model_name: str, reason: str = None):
     outage = {
-        "detection_time": datetime.now().isoformat(),
+        "detection_time": datetime.now(tz=france_tz).isoformat(),
         "model_name": model_name,
         "reason": reason,
     }
diff --git a/create_tables.sql b/create_tables.sql
index b307ca7e..195e7cbd 100644
--- a/create_tables.sql
+++ b/create_tables.sql
@@ -1,6 +1,6 @@
 CREATE TABLE
     logs (
-        time TIMESTAMP NOT NULL,
+        time TIMESTAMPTZ NOT NULL,
         level VARCHAR(50) NOT NULL,
         message TEXT NOT NULL,
         query_params JSONB,
@@ -11,7 +11,7 @@ CREATE TABLE
 
 CREATE TABLE
     votes (
-        tstamp TIMESTAMP NOT NULL,
+        tstamp TIMESTAMPTZ NOT NULL,
         model_a_name VARCHAR(255) NOT NULL,
         model_b_name VARCHAR(255) NOT NULL,
         model_pair_name JSONB NOT NULL,
@@ -37,7 +37,10 @@ CREATE TABLE
 
 CREATE TABLE
     profiles (
-        tstamp TIMESTAMP NOT NULL,
+-- ALTER COLUMN event_time
+-- SET DATA TYPE TIMESTAMPTZ
+-- USING tstamp AT TIME ZONE 'UTC';
+        tstamp TIMESTAMPTZ NOT NULL,
         chatbot_use VARCHAR(255),
         gender VARCHAR(255),
         age VARCHAR(255),
diff --git a/languia/block_conversation.py b/languia/block_conversation.py
index 207d7812..73f9542b 100644
--- a/languia/block_conversation.py
+++ b/languia/block_conversation.py
@@ -2,14 +2,9 @@
 The gradio utilities for chatting with a single model.
 """
 
-import datetime
-import json
-import os
-import time
 import uuid
 
 import gradio as gr
-import requests
 
 from fastchat.constants import (
     WORKER_API_TIMEOUT,
@@ -97,7 +92,7 @@ def bot_response(
 ):
     ip = get_ip(request)
     logger.info(f"bot_response. ip: {ip}")
-    start_tstamp = time.time()
+    # start_tstamp = time.time()
     temperature = float(temperature)
     top_p = float(top_p)
     max_new_tokens = int(max_new_tokens)
diff --git a/languia/config.py b/languia/config.py
index 557bb1ea..68d69d20 100644
--- a/languia/config.py
+++ b/languia/config.py
@@ -6,6 +6,11 @@
 
 import datetime
 
+import pytz
+
+# Get the timezone for France
+france_tz = pytz.timezone("Europe/Paris")
+
 env_debug = os.getenv("LANGUIA_DEBUG")
 
 if env_debug:
@@ -16,7 +21,7 @@
 else:
     debug = False
 
-t = datetime.datetime.now()
+t = datetime.datetime.now(france_tz)
 hostname = os.uname().nodename
 log_filename = f"logs-{hostname}-{t.year}-{t.month:02d}-{t.day:02d}.jsonl"
 import logging
diff --git a/languia/utils.py b/languia/utils.py
index 60400a8d..757acafd 100644
--- a/languia/utils.py
+++ b/languia/utils.py
@@ -18,6 +18,8 @@
 import logging
 
 import datetime
+import pytz
+france_tz = pytz.timezone("Europe/Paris")
 
 import requests
 
@@ -237,7 +239,7 @@ def save_profile(
     save poll data to file
     """
     logger = logging.getLogger("languia")
-    t = datetime.datetime.now()
+    t = datetime.datetime.now(france_tz)
     profile_log_filename = f"profile-{t.year}-{t.month:02d}-{t.day:02d}-{t.hour:02d}-{t.minute:02d}-{request.session_hash}.json"
     profile_log_path = os.path.join(LOGDIR, profile_log_filename)
 
@@ -405,7 +407,7 @@ def vote_last_response(
     form = (details["form"] - 1) * 25 if 1 <= details["form"] <= 5 else None
     style = (details["style"] - 1) * 25 if 1 <= details["style"] <= 5 else None
 
-    t = datetime.datetime.now()
+    t = datetime.datetime.now(france_tz)
 
     # TODO: Put opening_prompt in app_state?
     opening_prompt = str(get_opening_prompt(conversations[0]))
diff --git a/requirements.txt b/requirements.txt
index e5a57156..d9da412c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,5 @@ sentry_sdk
 google-auth
 python-slugify
 pandas
-psycopg2-binary
\ No newline at end of file
+psycopg2-binary
+pytz
\ No newline at end of file