diff --git a/scripts/CalendarApp.js b/scripts/CalendarApp.js
index b07a00c..71918d6 100644
--- a/scripts/CalendarApp.js
+++ b/scripts/CalendarApp.js
@@ -22,10 +22,16 @@ export class CalendarApp extends HandlebarsApplicationMixin(ApplicationV2) {
     },
   };
 
-  constructor({ onConfig, onClose } = {}) {
+  constructor({ onConfig, onClose, onNote } = {}) {
     super();
+    const saved = game.settings?.get(MODULE_ID, 'calendarPosition');
+    if (saved?.left != null && saved?.top != null) {
+      this.position.left = saved.left;
+      this.position.top = saved.top;
+    }
     this._onConfig = onConfig;
     this._onClose = onClose;
+    this._onNote = onNote;
     this._data = { year: 1116, day: 1, hour: 12, minute: 0, planet: '' };
   }
 
@@ -46,6 +52,26 @@ export class CalendarApp extends HandlebarsApplicationMixin(ApplicationV2) {
     html.find('.mgt2-cal-config-btn').on('click', () => {
       this._onConfig?.();
     });
+    html.find('.mgt2-cal-note-btn').on('click', () => {
+      this._onNote?.();
+    });
+  }
+
+  setPosition(position) {
+    const result = super.setPosition(position);
+    this._debouncedSavePos();
+    return result;
+  }
+
+  _debouncedSavePos() {
+    if (this._savePosTimeout) clearTimeout(this._savePosTimeout);
+    this._savePosTimeout = setTimeout(() => {
+      game.settings?.set(MODULE_ID, 'calendarPosition', {
+        left: this.position.left,
+        top: this.position.top,
+      });
+      this._savePosTimeout = null;
+    }, 300);
   }
 
   updateDisplay(data) {
@@ -53,8 +79,15 @@ export class CalendarApp extends HandlebarsApplicationMixin(ApplicationV2) {
     this.render();
   }
 
-  close() {
+  async close() {
+    if (game.settings) {
+      await game.settings.set(MODULE_ID, 'calendarPosition', {
+        left: this.position.left,
+        top: this.position.top,
+      });
+    }
     this._onConfig = null;
+    this._onNote = null;
     this._onClose?.();
     this._onClose = null;
     return super.close();
diff --git a/scripts/JournalNoteDialog.js b/scripts/JournalNoteDialog.js
new file mode 100644
index 0000000..7004220
--- /dev/null
+++ b/scripts/JournalNoteDialog.js
@@ -0,0 +1,59 @@
+const { ApplicationV2, HandlebarsApplicationMixin } = foundry.applications.api;
+const MODULE_ID = 'mgt2-compendium-amiral-denisov';
+
+export class JournalNoteDialog extends HandlebarsApplicationMixin(ApplicationV2) {
+  static DEFAULT_OPTIONS = {
+    id: 'mgt2-journal-note',
+    classes: ['mgt2-calendar'],
+    position: { width: 320, height: 'auto' },
+    window: {
+      icon: 'fas fa-pen',
+      title: 'Note de bord',
+      resizable: false,
+    },
+  };
+
+  static PARTS = {
+    main: {
+      template: `modules/${MODULE_ID}/templates/journal-note-dialog.hbs`,
+      root: true,
+    },
+  };
+
+  constructor({ imperialDate, realDate, onSave } = {}) {
+    super();
+    this._imperialDate = imperialDate;
+    this._realDate = realDate;
+    this._onSave = onSave;
+  }
+
+  get title() {
+    return 'Note de bord';
+  }
+
+  async _prepareContext() {
+    return {
+      imperialDate: this._imperialDate,
+      realDate: this._realDate,
+    };
+  }
+
+  async _onRender(context, options) {
+    await super._onRender(context, options);
+    const html = $(this.element);
+
+    html.find('[data-action="save"]').on('click', async () => {
+      const content = html.find('[name="content"]').val()?.trim();
+      try {
+        await this._onSave?.(content);
+      } catch (err) {
+        console.error(`${MODULE_ID} | Erreur sauvegarde note:`, err);
+      }
+    });
+  }
+
+  close() {
+    this._onSave = null;
+    return super.close();
+  }
+}
\ No newline at end of file
diff --git a/scripts/calendarDate.js b/scripts/calendarDate.js
index 5173245..db3049e 100644
--- a/scripts/calendarDate.js
+++ b/scripts/calendarDate.js
@@ -93,3 +93,13 @@ export function formatImperialDate({ year, day, hour, minute, planet } = {}) {
 export function getDefaultCalendar() {
   return { year: 1116, day: 1, hour: 12, minute: 0, planet: '' };
 }
+
+export function formatRealDate() {
+  const d = new Date();
+  const y = d.getFullYear();
+  const m = String(d.getMonth() + 1).padStart(2, '0');
+  const day = String(d.getDate()).padStart(2, '0');
+  const h = String(d.getHours()).padStart(2, '0');
+  const min = String(d.getMinutes()).padStart(2, '0');
+  return `${day}/${m}/${y} ${h}:${min}`;
+}
diff --git a/scripts/imperialCalendar.js b/scripts/imperialCalendar.js
index f41a3cc..5b4ef1f 100644
--- a/scripts/imperialCalendar.js
+++ b/scripts/imperialCalendar.js
@@ -1,6 +1,7 @@
 import { CalendarApp } from './CalendarApp.js';
 import { CalendarConfigDialog } from './CalendarConfigDialog.js';
-import { getDefaultCalendar } from './calendarDate.js';
+import { JournalNoteDialog } from './JournalNoteDialog.js';
+import { getDefaultCalendar, formatImperialDate, formatRealDate } from './calendarDate.js';
 
 const MODULE_ID = 'mgt2-compendium-amiral-denisov';
 const ChatLogV2 = foundry.applications.sidebar.tabs.ChatLog;
@@ -47,6 +48,7 @@ function openCalendarApp() {
   const data = readCalendar();
   _calendarApp = new CalendarApp({
     onConfig: () => openCalendarConfig(),
+    onNote: () => openJournalNote(),
     onClose: () => { _calendarApp = null; },
   });
   _calendarApp.updateDisplay(data);
@@ -67,6 +69,55 @@ function openCalendarConfig() {
   dialog.render({ force: true });
 }
 
+async function appendJournalNote(content, { dateLabel, realLabel } = {}) {
+  if (!content) return false;
+  const journalName = game.settings.get(MODULE_ID, 'calendarJournalName') || 'Journal de bord';
+  let journal = game.journal.getName(journalName);
+  if (!journal) {
+    journal = await JournalEntry.create({ name: journalName });
+    if (!journal) {
+      ui.notifications.error('Impossible de créer le journal');
+      return false;
+    }
+  }
+  if (!dateLabel || !realLabel) {
+    const c = readCalendar();
+    dateLabel = formatImperialDate(c);
+    realLabel = formatRealDate();
+  }
+  const safeContent = $('<div>').text(content).html().replace(/\n/g, '<br>');
+  const noteHtml = `<hr>
+<h3>${realLabel} — ${dateLabel}</h3>
+<p>${safeContent}</p>`;
+  let page = journal.pages.contents[0];
+  if (!page) {
+    [page] = await journal.createEmbeddedDocuments('JournalEntryPage', [{ name: 'Notes', text: { content: '' } }]);
+  }
+  if (!page) {
+    ui.notifications.error('Impossible de créer une page dans le journal');
+    return false;
+  }
+  const existing = page.text?.content || '';
+  await page.update({ 'text.content': existing + '\n' + noteHtml });
+  ui.notifications.info(`Note ajoutée au journal « ${journalName} »`);
+  return true;
+}
+
+function openJournalNote() {
+  const calendar = readCalendar();
+  const dateLabel = formatImperialDate(calendar);
+  const realLabel = formatRealDate();
+  const dialog = new JournalNoteDialog({
+    imperialDate: dateLabel,
+    realDate: realLabel,
+    onSave: async (content) => {
+      const ok = await appendJournalNote(content, { dateLabel, realLabel });
+      if (ok) dialog.close();
+    },
+  });
+  dialog.render({ force: true });
+}
+
 function registerCalCommand() {
   if (!ChatLogV2?.CHAT_COMMANDS) return;
   ChatLogV2.CHAT_COMMANDS.cal = {
@@ -125,12 +176,27 @@ Hooks.once('init', () => {
     type: Boolean,
     default: true,
   });
+  game.settings.register(MODULE_ID, 'calendarJournalName', {
+    name: 'Journal de bord',
+    hint: 'Nom du journal utilisé pour les notes de session. Créé automatiquement s\'il n\'existe pas.',
+    scope: 'world',
+    config: true,
+    type: String,
+    default: 'Journal de bord',
+  });
+  game.settings.register(MODULE_ID, 'calendarPosition', {
+    scope: 'client',
+    config: false,
+    type: Object,
+    default: {},
+  });
 
   const loadTemplatesFn = foundry.applications?.handlebars?.loadTemplates || loadTemplates;
   if (loadTemplatesFn) {
     loadTemplatesFn([
       `modules/${MODULE_ID}/templates/calendar-app.hbs`,
       `modules/${MODULE_ID}/templates/calendar-config.hbs`,
+      `modules/${MODULE_ID}/templates/journal-note-dialog.hbs`,
     ]);
   }
 
diff --git a/styles/npc.css b/styles/npc.css
index 340d781..e159492 100644
--- a/styles/npc.css
+++ b/styles/npc.css
@@ -1193,6 +1193,14 @@ a.mgt2-world-link:hover {
   flex: 1;
 }
 
+.mgt2-cal-actions {
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  gap: 2px;
+  flex: 0 0 auto;
+}
+
 .mgt2-cal-date {
   color: #d8c79a;
   font-size: 0.95em;
@@ -1352,3 +1360,79 @@ a.mgt2-world-link:hover {
 .mgt2-cal-conv-label {
   color: #8a7a5a;
 }
+
+/* Note button on calendar app */
+
+.mgt2-cal-note-btn {
+  flex: 0 0 auto;
+  width: 22px;
+  height: 22px;
+  padding: 0;
+  border: none;
+  background: transparent;
+  color: #8a7a5a;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 0.85em;
+  border-radius: 3px;
+  transition: color 0.15s, background 0.15s;
+}
+
+.mgt2-cal-note-btn:hover {
+  color: #d9b24c;
+  background: rgba(201, 162, 39, 0.15);
+}
+
+/* Note dialog */
+
+.mgt2-note-form {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  padding: 8px;
+  background: #1a1a2e;
+  color: #d8c79a;
+}
+
+.mgt2-note-row {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+
+.mgt2-note-row label {
+  font-size: 0.8em;
+  color: #8a7a5a;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.mgt2-note-value {
+  font-size: 0.9em;
+  color: #d8c79a;
+}
+
+.mgt2-note-row textarea {
+  width: 100%;
+  padding: 6px;
+  border: 1px solid #3a3a4e;
+  border-radius: 3px;
+  background: #252540;
+  color: #d8c79a;
+  font-size: 0.85em;
+  font-family: inherit;
+  resize: vertical;
+}
+
+.mgt2-note-row textarea:focus {
+  outline: none;
+  border-color: #c9a227;
+}
+
+.mgt2-note-actions {
+  display: flex;
+  justify-content: flex-end;
+  margin-top: 4px;
+}
diff --git a/templates/calendar-app.hbs b/templates/calendar-app.hbs
index 375a4f8..697d5bf 100644
--- a/templates/calendar-app.hbs
+++ b/templates/calendar-app.hbs
@@ -3,8 +3,13 @@
     <span class="mgt2-cal-date">{{dateLabel}}</span>
   </div>
   {{#if isGM}}
-  <button type="button" class="mgt2-cal-config-btn" title="Configurer le calendrier">
-    <i class="fas fa-cog"></i>
-  </button>
+  <div class="mgt2-cal-actions">
+    <button type="button" class="mgt2-cal-note-btn" title="Ajouter une note de bord">
+      <i class="fas fa-pen"></i>
+    </button>
+    <button type="button" class="mgt2-cal-config-btn" title="Configurer le calendrier">
+      <i class="fas fa-cog"></i>
+    </button>
+  </div>
   {{/if}}
 </div>
diff --git a/templates/journal-note-dialog.hbs b/templates/journal-note-dialog.hbs
new file mode 100644
index 0000000..fce11cd
--- /dev/null
+++ b/templates/journal-note-dialog.hbs
@@ -0,0 +1,19 @@
+<form class="mgt2-note-form">
+  <div class="mgt2-note-row">
+    <label>Date impériale</label>
+    <span class="mgt2-note-value">{{imperialDate}}</span>
+  </div>
+  <div class="mgt2-note-row">
+    <label>Date réelle</label>
+    <span class="mgt2-note-value">{{realDate}}</span>
+  </div>
+  <div class="mgt2-note-row">
+    <label for="note-content">Note</label>
+    <textarea id="note-content" name="content" rows="6" placeholder="Saisissez votre note…" autofocus></textarea>
+  </div>
+  <div class="mgt2-note-actions">
+    <button type="button" class="mgt2-cal-btn mgt2-cal-btn-primary" data-action="save">
+      <i class="fas fa-save"></i> Enregistrer
+    </button>
+  </div>
+</form>
\ No newline at end of file