diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index fd78ad45..1699b144 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -12,6 +12,7 @@
         "@gouvminint/vue-dsfr": "^5.8.0",
         "@vueuse/core": "^10.7.2",
         "axios": "^1.6.7",
+        "luxon": "^3.4.4",
         "pinia": "^2.1.7",
         "stylelint-config-recommended-vue": "^1.5.0",
         "swiper": "^11.0.6",
@@ -3288,6 +3289,12 @@
       "integrity": "sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==",
       "dev": true
     },
+    "node_modules/@types/luxon": {
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/@types/luxon/-/luxon-3.4.2.tgz",
+      "integrity": "sha512-TifLZlFudklWlMBfhubvgqTXRzLDI5pCbGa4P8a3wPyUQSW+1xQ5eDsreP9DWHX3tjq1ke96uYG/nwundroWcA==",
+      "dev": true
+    },
     "node_modules/@types/node": {
       "version": "20.11.16",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.16.tgz",
@@ -8505,6 +8512,14 @@
         "node": ">=10"
       }
     },
+    "node_modules/luxon": {
+      "version": "3.4.4",
+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-3.4.4.tgz",
+      "integrity": "sha512-zobTr7akeGHnv7eBOXcRgMeCP6+uyYsczwmeRCauvpvaAltgNyTbLH/+VaEAPUeWBT+1GuNmz4wC/6jtQzbbVA==",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/lz-string": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/lz-string/-/lz-string-1.5.0.tgz",
@@ -14540,6 +14555,12 @@
       "integrity": "sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==",
       "dev": true
     },
+    "@types/luxon": {
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/@types/luxon/-/luxon-3.4.2.tgz",
+      "integrity": "sha512-TifLZlFudklWlMBfhubvgqTXRzLDI5pCbGa4P8a3wPyUQSW+1xQ5eDsreP9DWHX3tjq1ke96uYG/nwundroWcA==",
+      "dev": true
+    },
     "@types/node": {
       "version": "20.11.16",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.16.tgz",
@@ -18319,6 +18340,11 @@
         "yallist": "^4.0.0"
       }
     },
+    "luxon": {
+      "version": "3.4.4",
+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-3.4.4.tgz",
+      "integrity": "sha512-zobTr7akeGHnv7eBOXcRgMeCP6+uyYsczwmeRCauvpvaAltgNyTbLH/+VaEAPUeWBT+1GuNmz4wC/6jtQzbbVA=="
+    },
     "lz-string": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/lz-string/-/lz-string-1.5.0.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index d6662fc0..d5d21c61 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -21,6 +21,7 @@
     "@gouvminint/vue-dsfr": "^5.8.0",
     "@vueuse/core": "^10.7.2",
     "axios": "^1.6.7",
+    "luxon": "^3.4.4",
     "pinia": "^2.1.7",
     "stylelint-config-recommended-vue": "^1.5.0",
     "swiper": "^11.0.6",
diff --git a/frontend/src/views/GuideContactExpert/ExpertSituation.vue b/frontend/src/views/GuideContactExpert/ExpertSituation.vue
index 8bafdcff..0e626065 100644
--- a/frontend/src/views/GuideContactExpert/ExpertSituation.vue
+++ b/frontend/src/views/GuideContactExpert/ExpertSituation.vue
@@ -1,6 +1,7 @@
 <script lang="ts" setup>
 import { DsfrButton } from '@gouvminint/vue-dsfr'
 import { useRouter } from 'vue-router'
+import { DateTime } from 'luxon'
 
 const router = useRouter()
 
@@ -48,14 +49,13 @@ function buildMailto (email: string) {
 }
 
 const currentPhone = computed(() => {
-  const currentHour = new Date().getUTCHours() + 1
+  const currentHour = parseInt(DateTime.now().setZone('Europe/Paris').toFormat('HH'), 10)
   if (currentHour >= 8 && currentHour < 18) {
     return IRCGN.fixe
   } else {
     return IRCGN.phone
   }
 })
-
 </script>
 
 <template>