diff --git a/package.json b/package.json
index d40ad45..bc617a2 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
 		"chart.js": "^4.0.1",
 		"chartjs-adapter-date-fns": "^3.0.0",
 		"chartjs-chart-matrix": "^3.0.0",
+		"date-fns": "^4.4.0",
 		"vue": "^3.2.38",
 		"vue-i18n": "^11.1.10"
 	},
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 952a549..baafe0c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -17,6 +17,9 @@ importers:
       chartjs-chart-matrix:
         specifier: ^3.0.0
         version: 3.0.4(chart.js@4.5.1)
+      date-fns:
+        specifier: ^4.4.0
+        version: 4.4.0
       vue:
         specifier: ^3.2.38
         version: 3.5.39
diff --git a/src/charts/MatrixChart.vue b/src/charts/MatrixChart.vue
index 8da3263..e1a97d4 100644
--- a/src/charts/MatrixChart.vue
+++ b/src/charts/MatrixChart.vue
@@ -12,6 +12,7 @@
 import { computed, onMounted, watch } from 'vue';
 import { Chart, color } from '@/chart.config.js';
 import { isoDayOfWeek } from '@/utils.js';
+import { getDateFnsLocale } from '@/translations.js';
 import { useI18n } from 'vue-i18n';
 
 const { locale } = useI18n();
@@ -56,7 +57,7 @@ const processedDatasets = computed(() => {
 	return data;
 });
 
-const draw = () => {
+const draw = (localeObject) => {
 	chart = new Chart(props.cid, {
 		type: "matrix",
 		data: {
@@ -97,6 +98,11 @@ const draw = () => {
 						display: false,
 					},
 					type: 'time',
+					adapters: {
+						date: {
+							locale: localeObject
+						}
+					},
 					offset: true,
 					time: {
 						unit: 'day',
@@ -124,6 +130,11 @@ const draw = () => {
 						display: false,
 					},
 					type: props.parseTime ? 'time' : 'linear',
+					adapters: {
+						date: {
+							locale: localeObject
+						}
+					},
 					offset: false,
 					time: props.parseTime ? {
 						unit: 'month',
@@ -154,9 +165,10 @@ const draw = () => {
 	});
 };
 
-onMounted(() => {
+onMounted(async () => {
 	if (props.datasets) {
-		draw();
+		const l = await getDateFnsLocale(locale.value);
+		draw(l);
 	}
 });
 
diff --git a/src/translations.js b/src/translations.js
index 1ba90c5..55a504e 100644
--- a/src/translations.js
+++ b/src/translations.js
@@ -60,3 +60,35 @@ export const pluralRules = {
 	"pl": pluralPolish,
 	"uk": pluralUkrainian,
 }
+
+export const getDateFnsLocale = async (lang) => {
+  switch (lang) {
+		case 'ca':    return (await import('date-fns/locale/ca')).default;
+		case 'cs':    return (await import('date-fns/locale/cs')).default;
+		case 'de':    return (await import('date-fns/locale/de')).default;
+		case 'en':    return (await import('date-fns/locale/en-GB')).default;
+		case 'es':    return (await import('date-fns/locale/es')).default;
+		case 'fi':    return (await import('date-fns/locale/fi')).default;
+		case 'fr':    return (await import('date-fns/locale/fr')).default;
+		case 'gl':    return (await import('date-fns/locale/gl')).default;
+		case 'hi':    return (await import('date-fns/locale/hi')).default;
+		case 'hu':    return (await import('date-fns/locale/hu')).default;
+		case 'id':    return (await import('date-fns/locale/id')).default;
+		case 'it':    return (await import('date-fns/locale/it')).default;
+		case 'nl':    return (await import('date-fns/locale/nl')).default;
+		case 'ja':    return (await import('date-fns/locale/ja')).default;
+		case 'pl':    return (await import('date-fns/locale/pl')).default;
+		case 'pt':    return (await import('date-fns/locale/pt')).default;
+		case 'pt-BR': return (await import('date-fns/locale/pt-BR')).default;
+		case 'ru':    return (await import('date-fns/locale/ru')).default;
+		case 'sk':    return (await import('date-fns/locale/sk')).default;
+		case 'sv':    return (await import('date-fns/locale/sv')).default;
+		case 'th':    return (await import('date-fns/locale/th')).default;
+		case 'tr':    return (await import('date-fns/locale/tr')).default;
+		case 'uk':    return (await import('date-fns/locale/uk')).default;
+		case 'uz':    return (await import('date-fns/locale/uz')).default;
+		case 'zh-CN': return (await import('date-fns/locale/zh-CN')).default;
+		case 'zh-TW': return (await import('date-fns/locale/zh-TW')).default;
+    default:      return (await import('date-fns/locale/en-US')).default;
+  }
+}