diff --git a/imageroot/actions/configure-module/20setenvs b/imageroot/actions/configure-module/20setenvs
index b29ada070..4eecf7a8d 100755
--- a/imageroot/actions/configure-module/20setenvs
+++ b/imageroot/actions/configure-module/20setenvs
@@ -39,6 +39,7 @@ getFromRequest(request, 'nethcti_log_level', 'NETHCTI_LOG_LEVEL', 'warn')
 getFromRequest(request, 'conference_jitsi_url', 'CONFERENCE_JITSI_URL', 'https://jitsi.nethserver.net')
 getFromRequest(request, 'app_brand_id', 'BRAND_APPID', '')
 getFromRequest(request, 'flexisip_log_level', 'FLEXISIP_LOG_LEVEL', 'warning')
+getFromRequest(request, 'timezone', 'TIMEZONE', 'UTC')
 
 ## NethCTI UI
 getFromRequest(request, 'nethcti_ui_host', 'NETHCTI_UI_HOST', '')
diff --git a/imageroot/actions/configure-module/validate-input.json b/imageroot/actions/configure-module/validate-input.json
index 3970524cb..cc37a9b0a 100644
--- a/imageroot/actions/configure-module/validate-input.json
+++ b/imageroot/actions/configure-module/validate-input.json
@@ -198,6 +198,10 @@
         "reports_ui_company_name": {
             "description": "Company name of the reports UI app.",
             "type": "string"
+        },
+        "timezone": {
+            "description": "Asterisk Timezone for timeconditions",
+            "type": "string"
         }
     }
 }
diff --git a/imageroot/actions/get-configuration/20read b/imageroot/actions/get-configuration/20read
index ad6288bb2..617e56870 100755
--- a/imageroot/actions/get-configuration/20read
+++ b/imageroot/actions/get-configuration/20read
@@ -15,6 +15,7 @@ config = {
     'nethvoice_host': os.getenv('NETHVOICE_HOST', ''),
     'nethcti_ui_host': os.getenv('NETHCTI_UI_HOST', ''),
     'lets_encrypt': os.getenv('TRAEFIK_LETS_ENCRYPT') == 'True',
+    'timezone': os.getenv('TIMEZONE', 'UTC'),
     'user_domain': os.getenv('USER_DOMAIN', ''),
     'reports_international_prefix': os.getenv('REPORTS_INTERNATIONAL_PREFIX', '')
 }
diff --git a/imageroot/actions/get-configuration/validate-output.json b/imageroot/actions/get-configuration/validate-output.json
index cee3a7374..85967b2a4 100644
--- a/imageroot/actions/get-configuration/validate-output.json
+++ b/imageroot/actions/get-configuration/validate-output.json
@@ -18,6 +18,10 @@
             "description": "Enable Let's Encrypt certificate",
             "type": "boolean"
         },
+        "timezone": {
+            "description": "Timezone for the Nethvoice instance",
+            "type": "string"
+        },
         "user_domain": {
             "description": "Domain where the user accessing Nethvoice are stored",
             "type": "string"
diff --git a/imageroot/systemd/user/asterisk.service b/imageroot/systemd/user/asterisk.service
index d956e53e7..ff734496b 100644
--- a/imageroot/systemd/user/asterisk.service
+++ b/imageroot/systemd/user/asterisk.service
@@ -37,6 +37,7 @@ ExecStart=/usr/bin/podman run \
     --env=NETHVOICE* \
     --env=ASTERISK_* \
     --network=host \
+    --tz=TIMEZONE \
     ${NETHVOICE_ASTERISK_IMAGE}
 
 # Wait till asterisk is active