diff --git a/src/components/02_personnel-management/FormPerson.vue b/src/components/02_personnel-management/FormPerson.vue
index efbd377e..6ffc4b69 100644
--- a/src/components/02_personnel-management/FormPerson.vue
+++ b/src/components/02_personnel-management/FormPerson.vue
@@ -126,13 +126,16 @@ defineProps<{
       autoApply
       :teleport="true"
       v-model="birthDate"
-      :locale="'th'"
+      :locale="$i18n.locale === 'th-th' ? 'th' : 'en'"
       :enableTimePicker="false"
       :disabled="readonly"
       class="col-3"
     >
       <template #year="{ value }">
-        {{ value + 543 }}
+        {{ $i18n.locale === 'th-th' ? value + 543 : value }}
+      </template>
+      <template #year-overlay-value="{ value }">
+        {{ $i18n.locale === 'th-th' ? value + 543 : value }}
       </template>
       <template #trigger>
         <q-input