diff --git a/src/app/config/PollConfig.ts b/src/app/config/PollConfig.ts
index d78524f6..84197284 100644
--- a/src/app/config/PollConfig.ts
+++ b/src/app/config/PollConfig.ts
@@ -2,7 +2,7 @@
  * une option de date dans les sondages spéciaux
  */
 import {environment} from "../../environments/environment";
-import {defaultAnswers, otherDefaultDates, otherTimeOfDay} from "./defaultConfigs";
+import {DateChoice, defaultAnswers, otherDefaultDates, PollAnswer} from "./defaultConfigs";
 
 export interface DateOption {
     timeList: any;
@@ -18,6 +18,7 @@ const baseConfigValues = {
     myEmail: "",
 };
 
+
 /**
  * configuration of the poll, add new fields at will
  */
@@ -56,13 +57,13 @@ export class PollConfig {
     urlAdmin = environment.baseHref + '/#/admin/d65es45fd45sdf45sd345f312sdf31sgfd345';
     adminKey = ''; // key to change config of the poll
     owner_modifier_token = ''; // key to change a vote stack
-    canModifyAnswers = true;// bool for the frontend selector
+    canModifyAnswers: boolean = true;// bool for the frontend selector
     whoModifiesAnswers = "everybody";// everybody, self, nobody (= just admin)
     whoCanChangeAnswers = 'everybody';// everybody, self, nobody (= just admin)
     dateList: any = otherDefaultDates; // sets of days as strings, config to set identical time for days in a special days poll
-    timeList: any = otherTimeOfDay; // ranges of time expressed as strings
+    timeList: DateChoice[] = otherDefaultDates; // ranges of time expressed as strings
 
-    answers: any = defaultAnswers;
+    answers: PollAnswer[] = defaultAnswers;
 
     resetConfig() {
         const self = this;
diff --git a/src/app/config/defaultConfigs.ts b/src/app/config/defaultConfigs.ts
index 2ba2f10f..d37749af 100644
--- a/src/app/config/defaultConfigs.ts
+++ b/src/app/config/defaultConfigs.ts
@@ -1,78 +1,80 @@
-export const basicSlicesOfDay = [
+export interface DateChoice {
+    literal: string,
+    timeList: TimeSlices[],
+    date_object: Date
+}
+
+export interface TimeSlices {
+    literal: string
+}
+
+export interface PollAnswer {
+    id: number,
+    text: string,
+    url: string,
+    literal: string,
+    date_object: Date,
+    timeList: TimeSlices[]
+}
+
+export const basicSlicesOfDay: TimeSlices[] = [
     {literal: 'matin'},
     {literal: 'midi'},
     {literal: 'soir'}
 ];
-export const otherSlicesOfDay = [
+export const otherSlicesOfDay: TimeSlices[] = [
     {literal: 'aux aurores'},
     {literal: 'au petit dej'},
     {literal: 'au deuxième petit dej des hobbits'}
 ];
-export const defaultTimeOfDay = Array.from([{
-    timeList: [...basicSlicesOfDay],
-    literal: 'matin'
-},
-    {timeList: [...basicSlicesOfDay], literal: 'midi'},
-    {timeList: [...basicSlicesOfDay], literal: 'après-midi'},
-    {timeList: [...basicSlicesOfDay], literal: 'soirée'}]);
-export const otherTimeOfDay = Array.from([{
-    timeList: [
-        {literal: 'aux aurores'},
-        {literal: 'au petit dej'},
-        {literal: 'au deuxième petit dej des hobbits'}
-    ],
-    literal: 'matin'
-},
-    {
-        timeList: [
-            {literal: 'matin'},
-            {literal: 'midi'},
-            {literal: 'soir'}
-        ], literal: 'midi'
-    },
-    {timeList: [...otherSlicesOfDay], literal: 'après-midi'},
-    {timeList: [...basicSlicesOfDay], literal: 'soirée'}]);
-export const defaultDates = [
+export const defaultTimeOfDay: TimeSlices[] = (() => {
+    return [...basicSlicesOfDay]
+})();
+
+export const otherTimeOfDay: TimeSlices[] = (() => {
+    return [...otherSlicesOfDay]
+})();
+export const defaultDates: DateChoice[] = [
     {
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate()}`,
         date_object: new Date(),
-        timeList: [...otherSlicesOfDay]
+        timeList: defaultTimeOfDay
     },
     {
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate() + 1}`,
         date_object: new Date(),
-        timeList: [...basicSlicesOfDay]
+        timeList: defaultTimeOfDay
     },
     {
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate() + 2}`,
         date_object: new Date(),
-        timeList: [...otherSlicesOfDay]
+        timeList: defaultTimeOfDay
     }
 ];
-export const otherDefaultDates = [
+export const otherDefaultDates: DateChoice[] = [
     {
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate()}`,
         date_object: new Date(),
-        timeList: [...otherSlicesOfDay]
+        timeList: otherTimeOfDay
     },
     {
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate() + 1}`,
         date_object: new Date(),
-        timeList: [...basicSlicesOfDay]
+        timeList: defaultTimeOfDay
     },
     {
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate() + 2}`,
         date_object: new Date(),
-        timeList: [...otherSlicesOfDay]
+        timeList: otherTimeOfDay
     }
 ];
-export const defaultAnswers = [{
+export const defaultAnswers: PollAnswer[] = [{
     id: 0,
     text: 'réponse de démo 1',
     url: 'https://mastodon.cipherbliss.com/system/media_attachments/files/001/439/118/original/6fcf149bd902841b.png?1579471574',
     literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate()}`,
     date_object: new Date(),
-    timeList: Array.from(otherSlicesOfDay)
+    timeList: otherSlicesOfDay
 },
     {
         id: 1,
@@ -80,7 +82,7 @@ export const defaultAnswers = [{
         url: 'https://mastodon.cipherbliss.com/system/media_attachments/files/001/439/118/original/6fcf149bd902841b.png?1579471574',
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate() + 1}`,
         date_object: new Date(),
-        timeList: Array.from(basicSlicesOfDay)
+        timeList: basicSlicesOfDay
     },
     {
         id: 2,
@@ -88,5 +90,5 @@ export const defaultAnswers = [{
         url: 'https://mastodon.cipherbliss.com/system/media_attachments/files/001/439/118/original/6fcf149bd902841b.png?1579471574',
         literal: `${new Date().getFullYear()}-${new Date().getMonth()}-${new Date().getDate() + 2}`,
         date_object: new Date(),
-        timeList: Array.from(otherSlicesOfDay)
+        timeList: otherSlicesOfDay
     }];
diff --git a/src/app/pages/dates/dates.component.html b/src/app/pages/dates/dates.component.html
index 90c8258c..7b00ee46 100644
--- a/src/app/pages/dates/dates.component.html
+++ b/src/app/pages/dates/dates.component.html
@@ -183,6 +183,10 @@
                     *ngIf=" 'true' === config.allowSeveralHours"
                     class="several-times"
                 >
+                    <pre class='debug padded warning' >
+                    choice.timeList :
+                        {{choice.timeList|json}}
+                    </pre >
                     <h2 >Several hours</h2 >
                     <div
                         *ngFor="let timeItem of choice.timeList; index as idTime"
diff --git a/src/app/pages/dates/dates.component.ts b/src/app/pages/dates/dates.component.ts
index ac115807..91d8b2bd 100644
--- a/src/app/pages/dates/dates.component.ts
+++ b/src/app/pages/dates/dates.component.ts
@@ -3,7 +3,7 @@ import {ConfigService} from '../../services/config.service';
 import {BaseComponent} from '../base-page/base.component';
 import {DOCUMENT} from '@angular/common';
 import {MessageService} from "primeng/api";
-import {defaultTimeOfDay} from "../../config/defaultConfigs";
+import {otherDefaultDates} from "../../config/defaultConfigs";
 import {DateUtilities} from "../../config/DateUtilities";
 
 @Component({
@@ -76,7 +76,7 @@ export class DatesComponent extends BaseComponent implements OnInit {
     }
 
     resetTimes() {
-        this.config.timeList = defaultTimeOfDay;
+        this.config.timeList = otherDefaultDates;
     }