diff --git a/client/src/components/Summoner/RecentActivity.vue b/client/src/components/Summoner/RecentActivity.vue
index 63b7de6..1bd9669 100644
--- a/client/src/components/Summoner/RecentActivity.vue
+++ b/client/src/components/Summoner/RecentActivity.vue
@@ -102,7 +102,7 @@ export default {
       for (let i = 1; i <= nbDaysInGrid; i++) {
         const day = new Date()
         day.setDate(day.getDate() - nbDaysInGrid + i)
-        const formattedDay = day.toLocaleString('fr', this.options)
+        const formattedDay = day.toLocaleString(undefined, this.options)
 
         this.gridDays.push({
           date: formattedDay,
@@ -119,7 +119,7 @@ export default {
       for (const key in this.matches) {
         const match = this.matches[key]
         const matchTime = new Date(match.timestamp)
-        const formattedTime = matchTime.toLocaleString('fr', this.options)
+        const formattedTime = matchTime.toLocaleString(undefined, this.options)
 
         const dayOfTheMatch = this.gridDays.filter(
           e => e.date === formattedTime
diff --git a/client/src/helpers/functions.js b/client/src/helpers/functions.js
index ed9aaff..98a810b 100644
--- a/client/src/helpers/functions.js
+++ b/client/src/helpers/functions.js
@@ -19,9 +19,7 @@ export function timeDifference(previous) {
   } else if (elapsed < msPerWeek) {
     return Math.round(elapsed / msPerDay) + ' days ago'
   } else {
-    const oldDate = new Date(previous)
-    const day = oldDate.getDate() < 10 ? '0' + oldDate.getDate() : oldDate.getDate()
-    const month = oldDate.getMonth() < 9 ? '0' + (oldDate.getMonth() + 1) : (oldDate.getMonth() + 1)
-    return day + '.' + month + '.' + oldDate.getFullYear().toString().substr(-2)
+    const dateOptions = { day: '2-digit', month: '2-digit', year: 'numeric' }
+    return new Date(previous).toLocaleString(undefined, dateOptions).replace(/\//g, '.')
   }
 }
diff --git a/client/src/helpers/summoner.js b/client/src/helpers/summoner.js
index 83c59fa..c7e5b79 100644
--- a/client/src/helpers/summoner.js
+++ b/client/src/helpers/summoner.js
@@ -16,7 +16,7 @@ export function createMatchData(matches) {
     const date = new Date(match.date)
     const dateOptions = { day: '2-digit', month: '2-digit', year: 'numeric' }
     const timeOptions = { hour12: false, hour: '2-digit', minute: '2-digit' }
-    match.fullDate = { date: date.toLocaleString('fr', dateOptions), time: date.toLocaleString('fr', timeOptions) }
+    match.fullDate = { date: date.toLocaleString(undefined, dateOptions), time: date.toLocaleString(undefined, timeOptions) }
     match.date = timeDifference(match.date)
 
     match.map = maps[match.map]