diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/App.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/App.vue
index c0f279760..51fc2c1d0 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/App.vue
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/App.vue
@@ -14,6 +14,7 @@
    <scopes></scopes>
    <referrer></referrer>
    <resources></resources>
+   <start-date v-if="accompanyingCourse.step === 'CONFIRMED'"></start-date>
    <comment v-if="accompanyingCourse.step === 'DRAFT'"></comment>
    <confirm v-if="accompanyingCourse.step === 'DRAFT'"></confirm>
 
@@ -39,6 +40,7 @@ import Referrer from './components/Referrer.vue';
 import Resources from './components/Resources.vue';
 import Comment from './components/Comment.vue';
 import Confirm from './components/Confirm.vue';
+import StartDate from './components/StartDate.vue';
 
 export default {
    name: 'App',
@@ -56,6 +58,7 @@ export default {
       Resources,
       Comment,
       Confirm,
+      StartDate
    },
    computed: {
       ...mapState([
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/StartDate.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/StartDate.vue
new file mode 100644
index 000000000..26b2e9640
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/StartDate.vue
@@ -0,0 +1,50 @@
+<template>
+<div class="vue-component">
+    <h2><a id="section-110"></a>
+        {{ $t('startdate.change') }}
+    </h2>
+    <div>
+        <div class="mb-3 row">
+            <label class="col-form-label col-sm-4">{{ $t('startdate.date') }}</label>
+            <div class="col-sm-8">
+                <input class="form-control" type="date" v-model="startDate" @change="updateStartDate" />
+            </div>
+        </div>
+    </div>
+</div>
+
+</template>
+
+<script>
+
+import { datetimeToISO, ISOToDate} from 'ChillMainAssets/chill/js/date.js';
+import { mapState, mapGetters } from 'vuex';
+
+export default {
+    name: 'startDate',
+    methods: {
+        updateStartDate(event) {
+            const date = event.target.value;
+            console.log(date)
+            this.$store.dispatch('updateStartDate', date)
+                .catch(({name, violations}) => {
+                    if (name === 'ValidationException' || name === 'AccessException') {
+                        violations.forEach((violation) => this.$toast.open({message: violation}));
+                    } else {
+                        this.$toast.open({message: 'An error occurred'})
+                    }
+            });
+        },
+    },
+    computed: {
+        startDate() {
+            console.log(datetimeToISO(this.$store.state.accompanyingCourse.openingDate))
+            return datetimeToISO(this.$store.state.accompanyingCourse.openingDate)
+        }
+        // ...mapState({
+        //     startDate: state => dateToISO(state.accompanyingCourse.openingDate)
+        // })
+    }
+}
+
+</script>
\ No newline at end of file
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/js/i18n.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/js/i18n.js
index 297642c24..249cd7d41 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/js/i18n.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/js/i18n.js
@@ -151,6 +151,10 @@ const appMessages = {
          placeholder: "Choisir un métier",
          not_valid: "Sélectionnez un métier du référent"
       },
+      startdate: {
+         change: "Modifier la date de début",
+         date: "Date de début",
+      },
       // catch errors
       'Error while updating AccompanyingPeriod Course.': "Erreur du serveur lors de la mise à jour du parcours d'accompagnement.",
       'Error while retriving AccompanyingPeriod Course.': "Erreur du serveur lors du chargement du parcours d'accompagnement.",
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
index 1413aa9e6..6c1f7a138 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
@@ -8,6 +8,7 @@ import { getAccompanyingCourse,
 import { patchPerson } from "ChillPersonAssets/vuejs/_api/OnTheFly";
 import { patchThirdparty } from "ChillThirdPartyAssets/vuejs/_api/OnTheFly";
 import { makeFetch } from 'ChillMainAssets/lib/api/apiMethods';
+import { datetimeToISO, ISOToDate, ISOToDatetime } from 'ChillMainAssets/chill/js/date.js';
 
 
 const debug = process.env.NODE_ENV !== 'production';
@@ -278,6 +279,10 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                if (scopeIds.includes(scope.id)) {
                   state.scopesAtBackend = state.scopesAtBackend.filter(s => s.id !== scope.id);
                }
+            },
+            updateStartDate(state, date) {
+               console.log('new state date', date)
+               state.accompanyingCourse.openingDate.datetime = date;
             }
          },
          actions: {
@@ -701,6 +706,21 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                      throw error;
                   })
             },
+            updateStartDate({commit}, payload) {
+               console.log('payload', payload)
+               const date = ISOToDate(payload);
+               const url = `/api/1.0/person/accompanying-course/${id}.json`;
+               const body = { type: "accompanying_period", openingDate: { datetime: datetimeToISO(date) }};
+               console.log('body', body)
+               return makeFetch('PATCH', url, body)
+                  .then((response) => {
+                     commit('updateStartDate', ISOToDatetime(response.openingDate.datetime));
+                  })
+                  .catch((error) => {
+                     commit('catchError', error);
+                     throw error;
+                  })
+            },
             async fetchReferrersSuggested({ state, commit}) {
                let users = await getReferrersSuggested(state.accompanyingCourse);
                commit('setReferrersSuggested', users);